21845978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3362

約数の個数: 32

約数和(自身を含む): 41817600

約数和(自身を除く): 19971622

約数列:

[1, 2, 7, 11, 14, 22, 43, 77, 86, 154, 301, 473, 602, 946, 3299, 3311, 6598, 6622, 23093, 36289, 46186, 72578, 141857, 254023, 283714, 508046, 992999, 1560427, 1985998, 3120854, 10922989, 21845978]

約数ペア:

[(1, 21845978), (2, 10922989), (7, 3120854), (11, 1985998), (14, 1560427), (22, 992999), (43, 508046), (77, 283714), (86, 254023), (154, 141857), (301, 72578), (473, 46186), (602, 36289), (946, 23093), (3299, 6622), (3311, 6598)]