21480262

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 32753952

約数和(自身を除く): 11273690

約数列:

[1, 2, 97, 194, 263, 421, 526, 842, 25511, 40837, 51022, 81674, 110723, 221446, 10740131, 21480262]

約数ペア:

[(1, 21480262), (2, 10740131), (97, 221446), (194, 110723), (263, 81674), (421, 51022), (526, 40837), (842, 25511)]