21015880212

素因数分解:

$2^2\times 3^1\times {\mathrm{5443}}^1\times {\mathrm{321757}}^1$

素因数の和:327207

約数の個数: 24

約数和(自身を含む): 49046215456

約数和(自身を除く): 28030335244

約数列:

[1, 2, 3, 4, 6, 12, 5443, 10886, 16329, 21772, 32658, 65316, 321757, 643514, 965271, 1287028, 1930542, 3861084, 1751323351, 3502646702, 5253970053, 7005293404, 10507940106, 21015880212]

約数ペア:

[(1, 21015880212), (2, 10507940106), (3, 7005293404), (4, 5253970053), (6, 3502646702), (12, 1751323351), (5443, 3861084), (10886, 1930542), (16329, 1287028), (21772, 965271), (32658, 643514), (65316, 321757)]