21331864

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50311}}^1$

素因数の和:50370

約数の個数: 16

約数和(自身を含む): 40752720

約数和(自身を除く): 19420856

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50311, 100622, 201244, 402488, 2666483, 5332966, 10665932, 21331864]

約数ペア:

[(1, 21331864), (2, 10665932), (4, 5332966), (8, 2666483), (53, 402488), (106, 201244), (212, 100622), (424, 50311)]