21571848

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^1\times {\mathrm{5653}}^1$

素因数の和:5718

約数の個数: 48

約数和(自身を含む): 59536620

約数和(自身を除く): 37964772

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 1272, 1908, 3816, 5653, 11306, 16959, 22612, 33918, 45224, 50877, 67836, 101754, 135672, 203508, 299609, 407016, 599218, 898827, 1198436, 1797654, 2396872, 2696481, 3595308, 5392962, 7190616, 10785924, 21571848]

約数ペア:

[(1, 21571848), (2, 10785924), (3, 7190616), (4, 5392962), (6, 3595308), (8, 2696481), (9, 2396872), (12, 1797654), (18, 1198436), (24, 898827), (36, 599218), (53, 407016), (72, 299609), (106, 203508), (159, 135672), (212, 101754), (318, 67836), (424, 50877), (477, 45224), (636, 33918), (954, 22612), (1272, 16959), (1908, 11306), (3816, 5653)]