21324921

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:2016

約数の個数: 16

約数和(自身を含む): 29393280

約数和(自身を除く): 8068359

約数列:

[1, 3, 53, 71, 159, 213, 1889, 3763, 5667, 11289, 100117, 134119, 300351, 402357, 7108307, 21324921]

約数ペア:

[(1, 21324921), (3, 7108307), (53, 402357), (71, 300351), (159, 134119), (213, 100117), (1889, 11289), (3763, 5667)]