21070792

素因数分解:

$2^3\times {\mathrm{271}}^1\times {\mathrm{9719}}^1$

素因数の和:9996

約数の個数: 16

約数和(自身を含む): 39657600

約数和(自身を除く): 18586808

約数列:

[1, 2, 4, 8, 271, 542, 1084, 2168, 9719, 19438, 38876, 77752, 2633849, 5267698, 10535396, 21070792]

約数ペア:

[(1, 21070792), (2, 10535396), (4, 5267698), (8, 2633849), (271, 77752), (542, 38876), (1084, 19438), (2168, 9719)]