21104886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2441}}^1$

素因数の和:2588

約数の個数: 32

約数和(自身を含む): 46417536

約数和(自身を除く): 25312650

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 131, 262, 393, 786, 1441, 2441, 2882, 4323, 4882, 7323, 8646, 14646, 26851, 53702, 80553, 161106, 319771, 639542, 959313, 1918626, 3517481, 7034962, 10552443, 21104886]

約数ペア:

[(1, 21104886), (2, 10552443), (3, 7034962), (6, 3517481), (11, 1918626), (22, 959313), (33, 639542), (66, 319771), (131, 161106), (262, 80553), (393, 53702), (786, 26851), (1441, 14646), (2441, 8646), (2882, 7323), (4323, 4882)]