21410382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{709}}^1\times {\mathrm{719}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 49075200

約数和(自身を除く): 27664818

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 709, 719, 1418, 1438, 2127, 2157, 4254, 4314, 4963, 5033, 9926, 10066, 14889, 15099, 29778, 30198, 509771, 1019542, 1529313, 3058626, 3568397, 7136794, 10705191, 21410382]

約数ペア:

[(1, 21410382), (2, 10705191), (3, 7136794), (6, 3568397), (7, 3058626), (14, 1529313), (21, 1019542), (42, 509771), (709, 30198), (719, 29778), (1418, 15099), (1438, 14889), (2127, 10066), (2157, 9926), (4254, 5033), (4314, 4963)]