21915247509

素因数分解:

$3^2\times {\mathrm{167}}^1\times {\mathrm{277}}^1\times {\mathrm{52639}}^1$

素因数の和:53089

約数の個数: 24

約数和(自身を含む): 31960481280

約数和(自身を除く): 10045233771

約数列:

[1, 3, 9, 167, 277, 501, 831, 1503, 2493, 46259, 52639, 138777, 157917, 416331, 473751, 8790713, 14581003, 26372139, 43743009, 79116417, 131229027, 2435027501, 7305082503, 21915247509]

約数ペア:

[(1, 21915247509), (3, 7305082503), (9, 2435027501), (167, 131229027), (277, 79116417), (501, 43743009), (831, 26372139), (1503, 14581003), (2493, 8790713), (46259, 473751), (52639, 416331), (138777, 157917)]