21285600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^2\times {\mathrm{181}}^1$

素因数の和:218

約数の個数: 216

約数和(自身を含む): 81041688

約数和(自身を除く): 59756088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 140, 147, 150, 160, 168, 175, 181, 196, 200, 210, 224, 240, 245, 280, 294, 300, 336, 350, 362, 392, 400, 420, 480, 490, 525, 543, 560, 588, 600, 672, 700, 724, 735, 784, 800, 840, 905, 980, 1050, 1086, 1120, 1176, 1200, 1225, 1267, 1400, 1448, 1470, 1568, 1680, 1810, 1960, 2100, 2172, 2352, 2400, 2450, 2534, 2715, 2800, 2896, 2940, 3360, 3620, 3675, 3801, 3920, 4200, 4344, 4525, 4704, 4900, 5068, 5430, 5600, 5792, 5880, 6335, 7240, 7350, 7602, 7840, 8400, 8688, 8869, 9050, 9800, 10136, 10860, 11760, 12670, 13575, 14480, 14700, 15204, 16800, 17376, 17738, 18100, 19005, 19600, 20272, 21720, 23520, 25340, 26607, 27150, 28960, 29400, 30408, 31675, 35476, 36200, 38010, 39200, 40544, 43440, 44345, 50680, 53214, 54300, 58800, 60816, 63350, 70952, 72400, 76020, 86880, 88690, 95025, 101360, 106428, 108600, 117600, 121632, 126700, 133035, 141904, 144800, 152040, 177380, 190050, 202720, 212856, 217200, 221725, 253400, 266070, 283808, 304080, 354760, 380100, 425712, 434400, 443450, 506800, 532140, 608160, 665175, 709520, 760200, 851424, 886900, 1013600, 1064280, 1330350, 1419040, 1520400, 1773800, 2128560, 2660700, 3040800, 3547600, 4257120, 5321400, 7095200, 10642800, 21285600]

約数ペア:

[(1, 21285600), (2, 10642800), (3, 7095200), (4, 5321400), (5, 4257120), (6, 3547600), (7, 3040800), (8, 2660700), (10, 2128560), (12, 1773800), (14, 1520400), (15, 1419040), (16, 1330350), (20, 1064280), (21, 1013600), (24, 886900), (25, 851424), (28, 760200), (30, 709520), (32, 665175), (35, 608160), (40, 532140), (42, 506800), (48, 443450), (49, 434400), (50, 425712), (56, 380100), (60, 354760), (70, 304080), (75, 283808), (80, 266070), (84, 253400), (96, 221725), (98, 217200), (100, 212856), (105, 202720), (112, 190050), (120, 177380), (140, 152040), (147, 144800), (150, 141904), (160, 133035), (168, 126700), (175, 121632), (181, 117600), (196, 108600), (200, 106428), (210, 101360), (224, 95025), (240, 88690), (245, 86880), (280, 76020), (294, 72400), (300, 70952), (336, 63350), (350, 60816), (362, 58800), (392, 54300), (400, 53214), (420, 50680), (480, 44345), (490, 43440), (525, 40544), (543, 39200), (560, 38010), (588, 36200), (600, 35476), (672, 31675), (700, 30408), (724, 29400), (735, 28960), (784, 27150), (800, 26607), (840, 25340), (905, 23520), (980, 21720), (1050, 20272), (1086, 19600), (1120, 19005), (1176, 18100), (1200, 17738), (1225, 17376), (1267, 16800), (1400, 15204), (1448, 14700), (1470, 14480), (1568, 13575), (1680, 12670), (1810, 11760), (1960, 10860), (2100, 10136), (2172, 9800), (2352, 9050), (2400, 8869), (2450, 8688), (2534, 8400), (2715, 7840), (2800, 7602), (2896, 7350), (2940, 7240), (3360, 6335), (3620, 5880), (3675, 5792), (3801, 5600), (3920, 5430), (4200, 5068), (4344, 4900), (4525, 4704)]