21297612

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253543}}^1$

素因数の和:253557

約数の個数: 24

約数和(自身を含む): 56793856

約数和(自身を除く): 35496244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253543, 507086, 760629, 1014172, 1521258, 1774801, 3042516, 3549602, 5324403, 7099204, 10648806, 21297612]

約数ペア:

[(1, 21297612), (2, 10648806), (3, 7099204), (4, 5324403), (6, 3549602), (7, 3042516), (12, 1774801), (14, 1521258), (21, 1014172), (28, 760629), (42, 507086), (84, 253543)]