21134370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1811}}^1$

素因数の和:2210

約数の個数: 32

約数和(自身を含む): 50880960

約数和(自身を除く): 29746590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 389, 778, 1167, 1811, 1945, 2334, 3622, 3890, 5433, 5835, 9055, 10866, 11670, 18110, 27165, 54330, 704479, 1408958, 2113437, 3522395, 4226874, 7044790, 10567185, 21134370]

約数ペア:

[(1, 21134370), (2, 10567185), (3, 7044790), (5, 4226874), (6, 3522395), (10, 2113437), (15, 1408958), (30, 704479), (389, 54330), (778, 27165), (1167, 18110), (1811, 11670), (1945, 10866), (2334, 9055), (3622, 5835), (3890, 5433)]