21275444

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4957}}^1$

素因数の和:5027

約数の個数: 24

約数和(自身を含む): 39564840

約数和(自身を除く): 18289396

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4957, 9914, 19828, 143753, 183409, 287506, 366818, 575012, 733636, 5318861, 10637722, 21275444]

約数ペア:

[(1, 21275444), (2, 10637722), (4, 5318861), (29, 733636), (37, 575012), (58, 366818), (74, 287506), (116, 183409), (148, 143753), (1073, 19828), (2146, 9914), (4292, 4957)]