21846680

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3617}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 49494240

約数和(自身を除く): 27647560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3617, 6040, 7234, 14468, 18085, 28936, 36170, 72340, 144680, 546167, 1092334, 2184668, 2730835, 4369336, 5461670, 10923340, 21846680]

約数ペア:

[(1, 21846680), (2, 10923340), (4, 5461670), (5, 4369336), (8, 2730835), (10, 2184668), (20, 1092334), (40, 546167), (151, 144680), (302, 72340), (604, 36170), (755, 28936), (1208, 18085), (1510, 14468), (3020, 7234), (3617, 6040)]