21136612

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{14243}}^1$

素因数の和:14307

約数の個数: 24

約数和(自身を含む): 43073856

約数和(自身を除く): 21937244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 14243, 28486, 56972, 99701, 199402, 398804, 754879, 1509758, 3019516, 5284153, 10568306, 21136612]

約数ペア:

[(1, 21136612), (2, 10568306), (4, 5284153), (7, 3019516), (14, 1509758), (28, 754879), (53, 398804), (106, 199402), (212, 99701), (371, 56972), (742, 28486), (1484, 14243)]