21410168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1767

約数の個数: 32

約数和(自身を含む): 43599360

約数和(自身を除く): 22189192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1621, 1651, 3242, 3302, 6484, 6604, 12968, 13208, 21073, 42146, 84292, 168584, 205867, 411734, 823468, 1646936, 2676271, 5352542, 10705084, 21410168]

約数ペア:

[(1, 21410168), (2, 10705084), (4, 5352542), (8, 2676271), (13, 1646936), (26, 823468), (52, 411734), (104, 205867), (127, 168584), (254, 84292), (508, 42146), (1016, 21073), (1621, 13208), (1651, 12968), (3242, 6604), (3302, 6484)]