21911133051

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{17431}}^1\times {\mathrm{7351}}^1$

素因数の和:24807

約数の個数: 24

約数和(自身を含む): 33321616640

約数和(自身を除く): 11410483589

約数列:

[1, 3, 9, 19, 57, 171, 7351, 17431, 22053, 52293, 66159, 139669, 156879, 331189, 419007, 993567, 1257021, 2980701, 128135281, 384405843, 1153217529, 2434570339, 7303711017, 21911133051]

約数ペア:

[(1, 21911133051), (3, 7303711017), (9, 2434570339), (19, 1153217529), (57, 384405843), (171, 128135281), (7351, 2980701), (17431, 1257021), (22053, 993567), (52293, 419007), (66159, 331189), (139669, 156879)]