21589456

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:101

約数の個数: 120

約数和(自身を含む): 54817920

約数和(自身を除く): 33228464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 29, 34, 46, 56, 58, 68, 92, 112, 116, 119, 136, 161, 184, 203, 232, 238, 272, 289, 322, 368, 391, 406, 464, 476, 493, 578, 644, 667, 782, 812, 952, 986, 1156, 1288, 1334, 1564, 1624, 1904, 1972, 2023, 2312, 2576, 2668, 2737, 3128, 3248, 3451, 3944, 4046, 4624, 4669, 5336, 5474, 6256, 6647, 6902, 7888, 8092, 8381, 9338, 10672, 10948, 11339, 13294, 13804, 16184, 16762, 18676, 21896, 22678, 26588, 27608, 32368, 33524, 37352, 43792, 45356, 46529, 53176, 55216, 58667, 67048, 74704, 79373, 90712, 93058, 106352, 117334, 134096, 158746, 181424, 186116, 192763, 234668, 317492, 372232, 385526, 469336, 634984, 744464, 771052, 938672, 1269968, 1349341, 1542104, 2698682, 3084208, 5397364, 10794728, 21589456]

約数ペア:

[(1, 21589456), (2, 10794728), (4, 5397364), (7, 3084208), (8, 2698682), (14, 1542104), (16, 1349341), (17, 1269968), (23, 938672), (28, 771052), (29, 744464), (34, 634984), (46, 469336), (56, 385526), (58, 372232), (68, 317492), (92, 234668), (112, 192763), (116, 186116), (119, 181424), (136, 158746), (161, 134096), (184, 117334), (203, 106352), (232, 93058), (238, 90712), (272, 79373), (289, 74704), (322, 67048), (368, 58667), (391, 55216), (406, 53176), (464, 46529), (476, 45356), (493, 43792), (578, 37352), (644, 33524), (667, 32368), (782, 27608), (812, 26588), (952, 22678), (986, 21896), (1156, 18676), (1288, 16762), (1334, 16184), (1564, 13804), (1624, 13294), (1904, 11339), (1972, 10948), (2023, 10672), (2312, 9338), (2576, 8381), (2668, 8092), (2737, 7888), (3128, 6902), (3248, 6647), (3451, 6256), (3944, 5474), (4046, 5336), (4624, 4669)]