21672780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{361213}}^1$

素因数の和:361225

約数の個数: 24

約数和(自身を含む): 60683952

約数和(自身を除く): 39011172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 361213, 722426, 1083639, 1444852, 1806065, 2167278, 3612130, 4334556, 5418195, 7224260, 10836390, 21672780]

約数ペア:

[(1, 21672780), (2, 10836390), (3, 7224260), (4, 5418195), (5, 4334556), (6, 3612130), (10, 2167278), (12, 1806065), (15, 1444852), (20, 1083639), (30, 722426), (60, 361213)]