21265922

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{1289}}^1$

素因数の和:1477

約数の個数: 16

約数和(自身を含む): 32647320

約数和(自身を除く): 11381398

約数列:

[1, 2, 73, 113, 146, 226, 1289, 2578, 8249, 16498, 94097, 145657, 188194, 291314, 10632961, 21265922]

約数ペア:

[(1, 21265922), (2, 10632961), (73, 291314), (113, 188194), (146, 145657), (226, 94097), (1289, 16498), (2578, 8249)]