21540623

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 25089120

約数和(自身を除く): 3548497

約数列:

[1, 13, 19, 37, 247, 481, 703, 2357, 9139, 30641, 44783, 87209, 582179, 1133717, 1656971, 21540623]

約数ペア:

[(1, 21540623), (13, 1656971), (19, 1133717), (37, 582179), (247, 87209), (481, 44783), (703, 30641), (2357, 9139)]