21825811

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 25977600

約数和(自身を除く): 4151789

約数列:

[1, 7, 43, 59, 301, 413, 1229, 2537, 8603, 17759, 52847, 72511, 369929, 507577, 3117973, 21825811]

約数ペア:

[(1, 21825811), (7, 3117973), (43, 507577), (59, 369929), (301, 72511), (413, 52847), (1229, 17759), (2537, 8603)]