21842807

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1061}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 26609472

約数和(自身を除く): 4766665

約数列:

[1, 7, 17, 119, 173, 1061, 1211, 2941, 7427, 18037, 20587, 126259, 183553, 1284871, 3120401, 21842807]

約数ペア:

[(1, 21842807), (7, 3120401), (17, 1284871), (119, 183553), (173, 126259), (1061, 20587), (1211, 18037), (2941, 7427)]