21520800

素因数分解:

$2^5\times 3^2\times 5^2\times 7^2\times {\mathrm{61}}^1$

素因数の和:101

約数の個数: 324

約数和(自身を含む): 89724726

約数和(自身を除く): 68203926

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 50, 56, 60, 61, 63, 70, 72, 75, 80, 84, 90, 96, 98, 100, 105, 112, 120, 122, 126, 140, 144, 147, 150, 160, 168, 175, 180, 183, 196, 200, 210, 224, 225, 240, 244, 245, 252, 280, 288, 294, 300, 305, 315, 336, 350, 360, 366, 392, 400, 420, 427, 441, 450, 480, 488, 490, 504, 525, 549, 560, 588, 600, 610, 630, 672, 700, 720, 732, 735, 784, 800, 840, 854, 882, 900, 915, 976, 980, 1008, 1050, 1098, 1120, 1176, 1200, 1220, 1225, 1260, 1281, 1400, 1440, 1464, 1470, 1525, 1568, 1575, 1680, 1708, 1764, 1800, 1830, 1952, 1960, 2016, 2100, 2135, 2196, 2205, 2352, 2400, 2440, 2450, 2520, 2562, 2745, 2800, 2928, 2940, 2989, 3050, 3150, 3360, 3416, 3528, 3600, 3660, 3675, 3843, 3920, 4200, 4270, 4392, 4410, 4575, 4704, 4880, 4900, 5040, 5124, 5490, 5600, 5856, 5880, 5978, 6100, 6300, 6405, 6832, 7056, 7200, 7320, 7350, 7686, 7840, 8400, 8540, 8784, 8820, 8967, 9150, 9760, 9800, 10080, 10248, 10675, 10980, 11025, 11760, 11956, 12200, 12600, 12810, 13664, 13725, 14112, 14640, 14700, 14945, 15372, 16800, 17080, 17568, 17640, 17934, 18300, 19215, 19600, 20496, 21350, 21960, 22050, 23520, 23912, 24400, 25200, 25620, 26901, 27450, 29280, 29400, 29890, 30744, 32025, 34160, 35280, 35868, 36600, 38430, 39200, 40992, 42700, 43920, 44100, 44835, 47824, 48800, 50400, 51240, 53802, 54900, 58800, 59780, 61488, 64050, 68320, 70560, 71736, 73200, 74725, 76860, 85400, 87840, 88200, 89670, 95648, 96075, 102480, 107604, 109800, 117600, 119560, 122976, 128100, 134505, 143472, 146400, 149450, 153720, 170800, 176400, 179340, 192150, 204960, 215208, 219600, 224175, 239120, 256200, 269010, 286944, 298900, 307440, 341600, 352800, 358680, 384300, 430416, 439200, 448350, 478240, 512400, 538020, 597800, 614880, 672525, 717360, 768600, 860832, 896700, 1024800, 1076040, 1195600, 1345050, 1434720, 1537200, 1793400, 2152080, 2391200, 2690100, 3074400, 3586800, 4304160, 5380200, 7173600, 10760400, 21520800]

約数ペア:

[(1, 21520800), (2, 10760400), (3, 7173600), (4, 5380200), (5, 4304160), (6, 3586800), (7, 3074400), (8, 2690100), (9, 2391200), (10, 2152080), (12, 1793400), (14, 1537200), (15, 1434720), (16, 1345050), (18, 1195600), (20, 1076040), (21, 1024800), (24, 896700), (25, 860832), (28, 768600), (30, 717360), (32, 672525), (35, 614880), (36, 597800), (40, 538020), (42, 512400), (45, 478240), (48, 448350), (49, 439200), (50, 430416), (56, 384300), (60, 358680), (61, 352800), (63, 341600), (70, 307440), (72, 298900), (75, 286944), (80, 269010), (84, 256200), (90, 239120), (96, 224175), (98, 219600), (100, 215208), (105, 204960), (112, 192150), (120, 179340), (122, 176400), (126, 170800), (140, 153720), (144, 149450), (147, 146400), (150, 143472), (160, 134505), (168, 128100), (175, 122976), (180, 119560), (183, 117600), (196, 109800), (200, 107604), (210, 102480), (224, 96075), (225, 95648), (240, 89670), (244, 88200), (245, 87840), (252, 85400), (280, 76860), (288, 74725), (294, 73200), (300, 71736), (305, 70560), (315, 68320), (336, 64050), (350, 61488), (360, 59780), (366, 58800), (392, 54900), (400, 53802), (420, 51240), (427, 50400), (441, 48800), (450, 47824), (480, 44835), (488, 44100), (490, 43920), (504, 42700), (525, 40992), (549, 39200), (560, 38430), (588, 36600), (600, 35868), (610, 35280), (630, 34160), (672, 32025), (700, 30744), (720, 29890), (732, 29400), (735, 29280), (784, 27450), (800, 26901), (840, 25620), (854, 25200), (882, 24400), (900, 23912), (915, 23520), (976, 22050), (980, 21960), (1008, 21350), (1050, 20496), (1098, 19600), (1120, 19215), (1176, 18300), (1200, 17934), (1220, 17640), (1225, 17568), (1260, 17080), (1281, 16800), (1400, 15372), (1440, 14945), (1464, 14700), (1470, 14640), (1525, 14112), (1568, 13725), (1575, 13664), (1680, 12810), (1708, 12600), (1764, 12200), (1800, 11956), (1830, 11760), (1952, 11025), (1960, 10980), (2016, 10675), (2100, 10248), (2135, 10080), (2196, 9800), (2205, 9760), (2352, 9150), (2400, 8967), (2440, 8820), (2450, 8784), (2520, 8540), (2562, 8400), (2745, 7840), (2800, 7686), (2928, 7350), (2940, 7320), (2989, 7200), (3050, 7056), (3150, 6832), (3360, 6405), (3416, 6300), (3528, 6100), (3600, 5978), (3660, 5880), (3675, 5856), (3843, 5600), (3920, 5490), (4200, 5124), (4270, 5040), (4392, 4900), (4410, 4880), (4575, 4704)]