21482019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2063}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 33808320

約数和(自身を除く): 12326301

約数列:

[1, 3, 9, 13, 39, 89, 117, 267, 801, 1157, 2063, 3471, 6189, 10413, 18567, 26819, 80457, 183607, 241371, 550821, 1652463, 2386891, 7160673, 21482019]

約数ペア:

[(1, 21482019), (3, 7160673), (9, 2386891), (13, 1652463), (39, 550821), (89, 241371), (117, 183607), (267, 80457), (801, 26819), (1157, 18567), (2063, 10413), (3471, 6189)]