21929840

素因数分解:

$2^4\times 5^1\times {\mathrm{274123}}^1$

素因数の和:274136

約数の個数: 20

約数和(自身を含む): 50987064

約数和(自身を除く): 29057224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 274123, 548246, 1096492, 1370615, 2192984, 2741230, 4385968, 5482460, 10964920, 21929840]

約数ペア:

[(1, 21929840), (2, 10964920), (4, 5482460), (5, 4385968), (8, 2741230), (10, 2192984), (16, 1370615), (20, 1096492), (40, 548246), (80, 274123)]