21944160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{311}}^1$

素因数の和:346

約数の個数: 216

約数和(自身を含む): 87390576

約数和(自身を除く): 65446416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 311, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 622, 630, 672, 720, 735, 784, 840, 882, 933, 980, 1008, 1120, 1176, 1244, 1260, 1440, 1470, 1555, 1568, 1680, 1764, 1866, 1960, 2016, 2177, 2205, 2352, 2488, 2520, 2799, 2940, 3110, 3360, 3528, 3732, 3920, 4354, 4410, 4665, 4704, 4976, 5040, 5598, 5880, 6220, 6531, 7056, 7464, 7840, 8708, 8820, 9330, 9952, 10080, 10885, 11196, 11760, 12440, 13062, 13995, 14112, 14928, 15239, 17416, 17640, 18660, 19593, 21770, 22392, 23520, 24880, 26124, 27990, 29856, 30478, 32655, 34832, 35280, 37320, 39186, 43540, 44784, 45717, 49760, 52248, 55980, 60956, 65310, 69664, 70560, 74640, 76195, 78372, 87080, 89568, 91434, 97965, 104496, 111960, 121912, 130620, 137151, 149280, 152390, 156744, 174160, 182868, 195930, 208992, 223920, 228585, 243824, 261240, 274302, 304780, 313488, 348320, 365736, 391860, 447840, 457170, 487648, 522480, 548604, 609560, 626976, 685755, 731472, 783720, 914340, 1044960, 1097208, 1219120, 1371510, 1462944, 1567440, 1828680, 2194416, 2438240, 2743020, 3134880, 3657360, 4388832, 5486040, 7314720, 10972080, 21944160]

約数ペア:

[(1, 21944160), (2, 10972080), (3, 7314720), (4, 5486040), (5, 4388832), (6, 3657360), (7, 3134880), (8, 2743020), (9, 2438240), (10, 2194416), (12, 1828680), (14, 1567440), (15, 1462944), (16, 1371510), (18, 1219120), (20, 1097208), (21, 1044960), (24, 914340), (28, 783720), (30, 731472), (32, 685755), (35, 626976), (36, 609560), (40, 548604), (42, 522480), (45, 487648), (48, 457170), (49, 447840), (56, 391860), (60, 365736), (63, 348320), (70, 313488), (72, 304780), (80, 274302), (84, 261240), (90, 243824), (96, 228585), (98, 223920), (105, 208992), (112, 195930), (120, 182868), (126, 174160), (140, 156744), (144, 152390), (147, 149280), (160, 137151), (168, 130620), (180, 121912), (196, 111960), (210, 104496), (224, 97965), (240, 91434), (245, 89568), (252, 87080), (280, 78372), (288, 76195), (294, 74640), (311, 70560), (315, 69664), (336, 65310), (360, 60956), (392, 55980), (420, 52248), (441, 49760), (480, 45717), (490, 44784), (504, 43540), (560, 39186), (588, 37320), (622, 35280), (630, 34832), (672, 32655), (720, 30478), (735, 29856), (784, 27990), (840, 26124), (882, 24880), (933, 23520), (980, 22392), (1008, 21770), (1120, 19593), (1176, 18660), (1244, 17640), (1260, 17416), (1440, 15239), (1470, 14928), (1555, 14112), (1568, 13995), (1680, 13062), (1764, 12440), (1866, 11760), (1960, 11196), (2016, 10885), (2177, 10080), (2205, 9952), (2352, 9330), (2488, 8820), (2520, 8708), (2799, 7840), (2940, 7464), (3110, 7056), (3360, 6531), (3528, 6220), (3732, 5880), (3920, 5598), (4354, 5040), (4410, 4976), (4665, 4704)]