21633518

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11414482

約数列:

[1, 2, 79, 158, 269, 509, 538, 1018, 21251, 40211, 42502, 80422, 136921, 273842, 10816759, 21633518]

約数ペア:

[(1, 21633518), (2, 10816759), (79, 273842), (158, 136921), (269, 80422), (509, 42502), (538, 40211), (1018, 21251)]