21585644

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{823}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 38760960

約数和(自身を除く): 17175316

約数列:

[1, 2, 4, 79, 83, 158, 166, 316, 332, 823, 1646, 3292, 6557, 13114, 26228, 65017, 68309, 130034, 136618, 260068, 273236, 5396411, 10792822, 21585644]

約数ペア:

[(1, 21585644), (2, 10792822), (4, 5396411), (79, 273236), (83, 260068), (158, 136618), (166, 130034), (316, 68309), (332, 65017), (823, 26228), (1646, 13114), (3292, 6557)]