21120058

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5099}}^1$

素因数の和:5229

約数の個数: 16

約数和(自身を含む): 33660000

約数和(自身を除く): 12539942

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 5099, 10198, 96881, 193762, 555791, 1111582, 10560029, 21120058]

約数ペア:

[(1, 21120058), (2, 10560029), (19, 1111582), (38, 555791), (109, 193762), (218, 96881), (2071, 10198), (4142, 5099)]