21977998

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{54133}}^1$

素因数の和:54171

約数の個数: 16

約数和(自身を含む): 38976480

約数和(自身を除く): 16998482

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 54133, 108266, 378931, 757862, 1569857, 3139714, 10988999, 21977998]

約数ペア:

[(1, 21977998), (2, 10988999), (7, 3139714), (14, 1569857), (29, 757862), (58, 378931), (203, 108266), (406, 54133)]