21201141

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13259}}^1$

素因数の和:13316

約数の個数: 16

約数和(自身を含む): 31187520

約数和(自身を除く): 9986379

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13259, 39777, 172367, 517101, 543619, 1630857, 7067047, 21201141]

約数ペア:

[(1, 21201141), (3, 7067047), (13, 1630857), (39, 543619), (41, 517101), (123, 172367), (533, 39777), (1599, 13259)]