21320796

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253819}}^1$

素因数の和:253833

約数の個数: 24

約数和(自身を含む): 56855680

約数和(自身を除く): 35534884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253819, 507638, 761457, 1015276, 1522914, 1776733, 3045828, 3553466, 5330199, 7106932, 10660398, 21320796]

約数ペア:

[(1, 21320796), (2, 10660398), (3, 7106932), (4, 5330199), (6, 3553466), (7, 3045828), (12, 1776733), (14, 1522914), (21, 1015276), (28, 761457), (42, 507638), (84, 253819)]