21935980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99709}}^1$

素因数の和:99729

約数の個数: 24

約数和(自身を含む): 50253840

約数和(自身を除く): 28317860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99709, 199418, 398836, 498545, 997090, 1096799, 1994180, 2193598, 4387196, 5483995, 10967990, 21935980]

約数ペア:

[(1, 21935980), (2, 10967990), (4, 5483995), (5, 4387196), (10, 2193598), (11, 1994180), (20, 1096799), (22, 997090), (44, 498545), (55, 398836), (110, 199418), (220, 99709)]