21303412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1789}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 40346600

約数和(自身を除く): 19043188

約数列:

[1, 2, 4, 13, 26, 52, 229, 458, 916, 1789, 2977, 3578, 5954, 7156, 11908, 23257, 46514, 93028, 409681, 819362, 1638724, 5325853, 10651706, 21303412]

約数ペア:

[(1, 21303412), (2, 10651706), (4, 5325853), (13, 1638724), (26, 819362), (52, 409681), (229, 93028), (458, 46514), (916, 23257), (1789, 11908), (2977, 7156), (3578, 5954)]