21886007

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 26413488

約数和(自身を除く): 4527481

約数列:

[1, 11, 13, 61, 143, 169, 193, 671, 793, 1859, 2123, 2509, 8723, 10309, 11773, 27599, 32617, 113399, 129503, 153049, 358787, 1683539, 1989637, 21886007]

約数ペア:

[(1, 21886007), (11, 1989637), (13, 1683539), (61, 358787), (143, 153049), (169, 129503), (193, 113399), (671, 32617), (793, 27599), (1859, 11773), (2123, 10309), (2509, 8723)]