21887177

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 16

約数和(自身を含む): 25239312

約数和(自身を除く): 3352135

約数列:

[1, 13, 17, 97, 221, 1021, 1261, 1649, 13273, 17357, 21437, 99037, 225641, 1287481, 1683629, 21887177]

約数ペア:

[(1, 21887177), (13, 1683629), (17, 1287481), (97, 225641), (221, 99037), (1021, 21437), (1261, 17357), (1649, 13273)]