21517743

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13457}}^1$

素因数の和:13514

約数の個数: 16

約数和(自身を含む): 31653216

約数和(自身を除く): 10135473

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 13457, 40371, 174941, 524823, 551737, 1655211, 7172581, 21517743]

約数ペア:

[(1, 21517743), (3, 7172581), (13, 1655211), (39, 551737), (41, 524823), (123, 174941), (533, 40371), (1599, 13457)]