21032495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{6269}}^1$

素因数の和:6346

約数の個数: 16

約数和(自身を含む): 27989280

約数和(自身を除く): 6956785

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 6269, 31345, 68959, 344795, 382409, 1912045, 4206499, 21032495]

約数ペア:

[(1, 21032495), (5, 4206499), (11, 1912045), (55, 382409), (61, 344795), (305, 68959), (671, 31345), (3355, 6269)]