21027153

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{8861}}^1$

素因数の和:8984

約数の個数: 16

約数和(自身を含む): 32328576

約数和(自身を除く): 11301423

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 8861, 26583, 62027, 186081, 1001293, 3003879, 7009051, 21027153]

約数ペア:

[(1, 21027153), (3, 7009051), (7, 3003879), (21, 1001293), (113, 186081), (339, 62027), (791, 26583), (2373, 8861)]