21723262

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15601538

約数列:

[1, 2, 11, 22, 29, 58, 79, 158, 319, 431, 638, 862, 869, 1738, 2291, 4582, 4741, 9482, 12499, 24998, 25201, 34049, 50402, 68098, 137489, 274978, 374539, 749078, 987421, 1974842, 10861631, 21723262]

約数ペア:

[(1, 21723262), (2, 10861631), (11, 1974842), (22, 987421), (29, 749078), (58, 374539), (79, 274978), (158, 137489), (319, 68098), (431, 50402), (638, 34049), (862, 25201), (869, 24998), (1738, 12499), (2291, 9482), (4582, 4741)]