21218314

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 14706806

約数列:

[1, 2, 13, 26, 29, 58, 107, 214, 263, 377, 526, 754, 1391, 2782, 3103, 3419, 6206, 6838, 7627, 15254, 28141, 40339, 56282, 80678, 99151, 198302, 365833, 731666, 816089, 1632178, 10609157, 21218314]

約数ペア:

[(1, 21218314), (2, 10609157), (13, 1632178), (26, 816089), (29, 731666), (58, 365833), (107, 198302), (214, 99151), (263, 80678), (377, 56282), (526, 40339), (754, 28141), (1391, 15254), (2782, 7627), (3103, 6838), (3419, 6206)]