21164143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21143}}^1$

素因数の和:21174

約数の個数: 16

約数和(自身を含む): 28417536

約数和(自身を除く): 7253393

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 21143, 148001, 232573, 274859, 1628011, 1924013, 3023449, 21164143]

約数ペア:

[(1, 21164143), (7, 3023449), (11, 1924013), (13, 1628011), (77, 274859), (91, 232573), (143, 148001), (1001, 21143)]