2121380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1535

約数の個数: 24

約数和(自身を含む): 4519032

約数和(自身を除く): 2397652

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1453, 1460, 2906, 5812, 7265, 14530, 29060, 106069, 212138, 424276, 530345, 1060690, 2121380]

約数ペア:

[(1, 2121380), (2, 1060690), (4, 530345), (5, 424276), (10, 212138), (20, 106069), (73, 29060), (146, 14530), (292, 7265), (365, 5812), (730, 2906), (1453, 1460)]