21724190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3257}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 42223680

約数和(自身を除く): 20499490

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3257, 3335, 6514, 6670, 16285, 32570, 74911, 94453, 149822, 188906, 374555, 472265, 749110, 944530, 2172419, 4344838, 10862095, 21724190]

約数ペア:

[(1, 21724190), (2, 10862095), (5, 4344838), (10, 2172419), (23, 944530), (29, 749110), (46, 472265), (58, 374555), (115, 188906), (145, 149822), (230, 94453), (290, 74911), (667, 32570), (1334, 16285), (3257, 6670), (3335, 6514)]