21249499492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2371}}^1\times {\mathrm{172351}}^1$

素因数の和:174739

約数の個数: 24

約数和(自身を含む): 40064256512

約数和(自身を除く): 18814757020

約数列:

[1, 2, 4, 13, 26, 52, 2371, 4742, 9484, 30823, 61646, 123292, 172351, 344702, 689404, 2240563, 4481126, 8962252, 408644221, 817288442, 1634576884, 5312374873, 10624749746, 21249499492]

約数ペア:

[(1, 21249499492), (2, 10624749746), (4, 5312374873), (13, 1634576884), (26, 817288442), (52, 408644221), (2371, 8962252), (4742, 4481126), (9484, 2240563), (30823, 689404), (61646, 344702), (123292, 172351)]