21463741

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 25530120

約数和(自身を除く): 4066379

約数列:

[1, 13, 17, 29, 197, 221, 289, 377, 493, 2561, 3349, 3757, 5713, 6409, 8381, 43537, 56933, 74269, 97121, 108953, 740129, 1262573, 1651057, 21463741]

約数ペア:

[(1, 21463741), (13, 1651057), (17, 1262573), (29, 740129), (197, 108953), (221, 97121), (289, 74269), (377, 56933), (493, 43537), (2561, 8381), (3349, 6409), (3757, 5713)]