21370772

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1735

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 17941228

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1559, 3118, 3427, 6236, 6854, 13708, 35857, 71714, 143428, 232291, 464582, 929164, 5342693, 10685386, 21370772]

約数ペア:

[(1, 21370772), (2, 10685386), (4, 5342693), (23, 929164), (46, 464582), (92, 232291), (149, 143428), (298, 71714), (596, 35857), (1559, 13708), (3118, 6854), (3427, 6236)]