21226036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5167}}^1$

素因数の和:5263

約数の個数: 24

約数和(自身を含む): 40517120

約数和(自身を除く): 19291084

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 5167, 10334, 20668, 67171, 134342, 268684, 408193, 816386, 1632772, 5306509, 10613018, 21226036]

約数ペア:

[(1, 21226036), (2, 10613018), (4, 5306509), (13, 1632772), (26, 816386), (52, 408193), (79, 268684), (158, 134342), (316, 67171), (1027, 20668), (2054, 10334), (4108, 5167)]