21815606

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:1015

約数の個数: 16

約数和(自身を含む): 33325344

約数和(自身を除く): 11509738

約数列:

[1, 2, 103, 137, 206, 274, 773, 1546, 14111, 28222, 79619, 105901, 159238, 211802, 10907803, 21815606]

約数ペア:

[(1, 21815606), (2, 10907803), (103, 211802), (137, 159238), (206, 105901), (274, 79619), (773, 28222), (1546, 14111)]