21574714520

素因数分解:

$2^3\times 5^1\times {\mathrm{539367863}}^1$

素因数の和:539367874

約数の個数: 16

約数和(自身を含む): 48543107760

約数和(自身を除く): 26968393240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 539367863, 1078735726, 2157471452, 2696839315, 4314942904, 5393678630, 10787357260, 21574714520]

約数ペア:

[(1, 21574714520), (2, 10787357260), (4, 5393678630), (5, 4314942904), (8, 2696839315), (10, 2157471452), (20, 1078735726), (40, 539367863)]