21460980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{357683}}^1$

素因数の和:357695

約数の個数: 24

約数和(自身を含む): 60090912

約数和(自身を除く): 38629932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 357683, 715366, 1073049, 1430732, 1788415, 2146098, 3576830, 4292196, 5365245, 7153660, 10730490, 21460980]

約数ペア:

[(1, 21460980), (2, 10730490), (3, 7153660), (4, 5365245), (5, 4292196), (6, 3576830), (10, 2146098), (12, 1788415), (15, 1430732), (20, 1073049), (30, 715366), (60, 357683)]