21131902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{4019}}^1$

素因数の和:4271

約数の個数: 16

約数和(自身を含む): 34732800

約数和(自身を除く): 13600898

約数列:

[1, 2, 11, 22, 239, 478, 2629, 4019, 5258, 8038, 44209, 88418, 960541, 1921082, 10565951, 21131902]

約数ペア:

[(1, 21131902), (2, 10565951), (11, 1921082), (22, 960541), (239, 88418), (478, 44209), (2629, 8038), (4019, 5258)]