21402060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356701}}^1$

素因数の和:356713

約数の個数: 24

約数和(自身を含む): 59925936

約数和(自身を除く): 38523876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356701, 713402, 1070103, 1426804, 1783505, 2140206, 3567010, 4280412, 5350515, 7134020, 10701030, 21402060]

約数ペア:

[(1, 21402060), (2, 10701030), (3, 7134020), (4, 5350515), (5, 4280412), (6, 3567010), (10, 2140206), (12, 1783505), (15, 1426804), (20, 1070103), (30, 713402), (60, 356701)]