21331140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355519}}^1$

素因数の和:355531

約数の個数: 24

約数和(自身を含む): 59727360

約数和(自身を除く): 38396220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355519, 711038, 1066557, 1422076, 1777595, 2133114, 3555190, 4266228, 5332785, 7110380, 10665570, 21331140]

約数ペア:

[(1, 21331140), (2, 10665570), (3, 7110380), (4, 5332785), (5, 4266228), (6, 3555190), (10, 2133114), (12, 1777595), (15, 1422076), (20, 1066557), (30, 711038), (60, 355519)]