15221264

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{13399}}^1$

素因数の和:13478

約数の個数: 20

約数和(自身を含む): 29908800

約数和(自身を除く): 14687536

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 13399, 26798, 53596, 107192, 214384, 951329, 1902658, 3805316, 7610632, 15221264]

約数ペア:

[(1, 15221264), (2, 7610632), (4, 3805316), (8, 1902658), (16, 951329), (71, 214384), (142, 107192), (284, 53596), (568, 26798), (1136, 13399)]