21854406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{12101}}^1$

素因数の和:12156

約数の個数: 32

約数和(自身を含む): 51118848

約数和(自身を除く): 29264442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 86, 129, 258, 301, 602, 903, 1806, 12101, 24202, 36303, 72606, 84707, 169414, 254121, 508242, 520343, 1040686, 1561029, 3122058, 3642401, 7284802, 10927203, 21854406]

約数ペア:

[(1, 21854406), (2, 10927203), (3, 7284802), (6, 3642401), (7, 3122058), (14, 1561029), (21, 1040686), (42, 520343), (43, 508242), (86, 254121), (129, 169414), (258, 84707), (301, 72606), (602, 36303), (903, 24202), (1806, 12101)]