21090900106

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{593}}^1\times {\mathrm{49261}}^1$

素因数の和:49894

約数の個数: 24

約数和(自身を含む): 33446040804

約数和(自身を除く): 12355140698

約数列:

[1, 2, 19, 38, 361, 593, 722, 1186, 11267, 22534, 49261, 98522, 214073, 428146, 935959, 1871918, 17783221, 29211773, 35566442, 58423546, 555023687, 1110047374, 10545450053, 21090900106]

約数ペア:

[(1, 21090900106), (2, 10545450053), (19, 1110047374), (38, 555023687), (361, 58423546), (593, 35566442), (722, 29211773), (1186, 17783221), (11267, 1871918), (22534, 935959), (49261, 428146), (98522, 214073)]