21221424

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:627

約数の個数: 120

約数和(自身を含む): 69831840

約数和(自身を除く): 48610416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 37, 42, 48, 56, 63, 72, 74, 84, 111, 112, 126, 144, 148, 168, 222, 252, 259, 296, 333, 336, 444, 504, 518, 569, 592, 666, 777, 888, 1008, 1036, 1138, 1332, 1554, 1707, 1776, 2072, 2276, 2331, 2664, 3108, 3414, 3983, 4144, 4552, 4662, 5121, 5328, 6216, 6828, 7966, 9104, 9324, 10242, 11949, 12432, 13656, 15932, 18648, 20484, 21053, 23898, 27312, 31864, 35847, 37296, 40968, 42106, 47796, 63159, 63728, 71694, 81936, 84212, 95592, 126318, 143388, 147371, 168424, 189477, 191184, 252636, 286776, 294742, 336848, 378954, 442113, 505272, 573552, 589484, 757908, 884226, 1010544, 1178968, 1326339, 1515816, 1768452, 2357936, 2652678, 3031632, 3536904, 5305356, 7073808, 10610712, 21221424]

約数ペア:

[(1, 21221424), (2, 10610712), (3, 7073808), (4, 5305356), (6, 3536904), (7, 3031632), (8, 2652678), (9, 2357936), (12, 1768452), (14, 1515816), (16, 1326339), (18, 1178968), (21, 1010544), (24, 884226), (28, 757908), (36, 589484), (37, 573552), (42, 505272), (48, 442113), (56, 378954), (63, 336848), (72, 294742), (74, 286776), (84, 252636), (111, 191184), (112, 189477), (126, 168424), (144, 147371), (148, 143388), (168, 126318), (222, 95592), (252, 84212), (259, 81936), (296, 71694), (333, 63728), (336, 63159), (444, 47796), (504, 42106), (518, 40968), (569, 37296), (592, 35847), (666, 31864), (777, 27312), (888, 23898), (1008, 21053), (1036, 20484), (1138, 18648), (1332, 15932), (1554, 13656), (1707, 12432), (1776, 11949), (2072, 10242), (2276, 9324), (2331, 9104), (2664, 7966), (3108, 6828), (3414, 6216), (3983, 5328), (4144, 5121), (4552, 4662)]