21382424

素因数分解:

$2^3\times 7^2\times {\mathrm{54547}}^1$

素因数の和:54567

約数の個数: 24

約数和(自身を含む): 46638540

約数和(自身を除く): 25256116

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54547, 109094, 218188, 381829, 436376, 763658, 1527316, 2672803, 3054632, 5345606, 10691212, 21382424]

約数ペア:

[(1, 21382424), (2, 10691212), (4, 5345606), (7, 3054632), (8, 2672803), (14, 1527316), (28, 763658), (49, 436376), (56, 381829), (98, 218188), (196, 109094), (392, 54547)]