21346690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 40691520

約数和(自身を除く): 19344830

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 283, 397, 566, 794, 1415, 1985, 2830, 3970, 5377, 7543, 10754, 15086, 26885, 37715, 53770, 75430, 112351, 224702, 561755, 1123510, 2134669, 4269338, 10673345, 21346690]

約数ペア:

[(1, 21346690), (2, 10673345), (5, 4269338), (10, 2134669), (19, 1123510), (38, 561755), (95, 224702), (190, 112351), (283, 75430), (397, 53770), (566, 37715), (794, 26885), (1415, 15086), (1985, 10754), (2830, 7543), (3970, 5377)]