21894808

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{210527}}^1$

素因数の和:210546

約数の個数: 16

約数和(自身を含む): 44210880

約数和(自身を除く): 22316072

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 210527, 421054, 842108, 1684216, 2736851, 5473702, 10947404, 21894808]

約数ペア:

[(1, 21894808), (2, 10947404), (4, 5473702), (8, 2736851), (13, 1684216), (26, 842108), (52, 421054), (104, 210527)]