21048258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1571}}^1$

素因数の和:1623

約数の個数: 64

約数和(自身を含む): 54328320

約数和(自身を除く): 33280062

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 29, 33, 42, 58, 66, 77, 87, 154, 174, 203, 231, 319, 406, 462, 609, 638, 957, 1218, 1571, 1914, 2233, 3142, 4466, 4713, 6699, 9426, 10997, 13398, 17281, 21994, 32991, 34562, 45559, 51843, 65982, 91118, 103686, 120967, 136677, 241934, 273354, 318913, 362901, 501149, 637826, 725802, 956739, 1002298, 1503447, 1913478, 3006894, 3508043, 7016086, 10524129, 21048258]

約数ペア:

[(1, 21048258), (2, 10524129), (3, 7016086), (6, 3508043), (7, 3006894), (11, 1913478), (14, 1503447), (21, 1002298), (22, 956739), (29, 725802), (33, 637826), (42, 501149), (58, 362901), (66, 318913), (77, 273354), (87, 241934), (154, 136677), (174, 120967), (203, 103686), (231, 91118), (319, 65982), (406, 51843), (462, 45559), (609, 34562), (638, 32991), (957, 21994), (1218, 17281), (1571, 13398), (1914, 10997), (2233, 9426), (3142, 6699), (4466, 4713)]