21856827603

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{4337}}^1\times {\mathrm{129221}}^1$

素因数の和:133574

約数の個数: 16

約数和(自身を含む): 31391642016

約数和(自身を除く): 9534814413

約数列:

[1, 3, 13, 39, 4337, 13011, 56381, 129221, 169143, 387663, 1679873, 5039619, 560431477, 1681294431, 7285609201, 21856827603]

約数ペア:

[(1, 21856827603), (3, 7285609201), (13, 1681294431), (39, 560431477), (4337, 5039619), (13011, 1679873), (56381, 387663), (129221, 169143)]