21421590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1061}}^1$

素因数の和:1744

約数の個数: 32

約数和(自身を含む): 51536736

約数和(自身を除く): 30115146

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 673, 1061, 1346, 2019, 2122, 3183, 3365, 4038, 5305, 6366, 6730, 10095, 10610, 15915, 20190, 31830, 714053, 1428106, 2142159, 3570265, 4284318, 7140530, 10710795, 21421590]

約数ペア:

[(1, 21421590), (2, 10710795), (3, 7140530), (5, 4284318), (6, 3570265), (10, 2142159), (15, 1428106), (30, 714053), (673, 31830), (1061, 20190), (1346, 15915), (2019, 10610), (2122, 10095), (3183, 6730), (3365, 6366), (4038, 5305)]