21102912275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{135427}}^1$

素因数の和:135731

約数の個数: 24

約数和(自身を含む): 27406293504

約数和(自身を除く): 6303381229

約数列:

[1, 5, 23, 25, 115, 271, 575, 1355, 6233, 6775, 31165, 135427, 155825, 677135, 3114821, 3385675, 15574105, 36700717, 77870525, 183503585, 844116491, 917517925, 4220582455, 21102912275]

約数ペア:

[(1, 21102912275), (5, 4220582455), (23, 917517925), (25, 844116491), (115, 183503585), (271, 77870525), (575, 36700717), (1355, 15574105), (6233, 3385675), (6775, 3114821), (31165, 677135), (135427, 155825)]