21259704

素因数分解:

$2^3\times 3^1\times {\mathrm{885821}}^1$

素因数の和:885830

約数の個数: 16

約数和(自身を含む): 53149320

約数和(自身を除く): 31889616

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 885821, 1771642, 2657463, 3543284, 5314926, 7086568, 10629852, 21259704]

約数ペア:

[(1, 21259704), (2, 10629852), (3, 7086568), (4, 5314926), (6, 3543284), (8, 2657463), (12, 1771642), (24, 885821)]