21172382

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137483}}^1$

素因数の和:137503

約数の個数: 16

約数和(自身を含む): 39595392

約数和(自身を除く): 18423010

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 137483, 274966, 962381, 1512313, 1924762, 3024626, 10586191, 21172382]

約数ペア:

[(1, 21172382), (2, 10586191), (7, 3024626), (11, 1924762), (14, 1512313), (22, 962381), (77, 274966), (154, 137483)]