21915726

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{2473}}^1$

素因数の和:2696

約数の個数: 32

約数和(自身を含む): 50350848

約数和(自身を除く): 28435122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 211, 422, 633, 1266, 1477, 2473, 2954, 4431, 4946, 7419, 8862, 14838, 17311, 34622, 51933, 103866, 521803, 1043606, 1565409, 3130818, 3652621, 7305242, 10957863, 21915726]

約数ペア:

[(1, 21915726), (2, 10957863), (3, 7305242), (6, 3652621), (7, 3130818), (14, 1565409), (21, 1043606), (42, 521803), (211, 103866), (422, 51933), (633, 34622), (1266, 17311), (1477, 14838), (2473, 8862), (2954, 7419), (4431, 4946)]