21900008091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{661}}^1\times {\mathrm{5087}}^1$

素因数の和:5931

約数の個数: 32

約数和(自身を含む): 31688552448

約数和(自身を除く): 9788544357

約数列:

[1, 3, 13, 39, 167, 501, 661, 1983, 2171, 5087, 6513, 8593, 15261, 25779, 66131, 110387, 198393, 331161, 849529, 1435031, 2548587, 3362507, 4305093, 10087521, 11043877, 33131631, 43712591, 131137773, 561538669, 1684616007, 7300002697, 21900008091]

約数ペア:

[(1, 21900008091), (3, 7300002697), (13, 1684616007), (39, 561538669), (167, 131137773), (501, 43712591), (661, 33131631), (1983, 11043877), (2171, 10087521), (5087, 4305093), (6513, 3362507), (8593, 2548587), (15261, 1435031), (25779, 849529), (66131, 331161), (110387, 198393)]