21522180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{358703}}^1$

素因数の和:358715

約数の個数: 24

約数和(自身を含む): 60262272

約数和(自身を除く): 38740092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 358703, 717406, 1076109, 1434812, 1793515, 2152218, 3587030, 4304436, 5380545, 7174060, 10761090, 21522180]

約数ペア:

[(1, 21522180), (2, 10761090), (3, 7174060), (4, 5380545), (5, 4304436), (6, 3587030), (10, 2152218), (12, 1793515), (15, 1434812), (20, 1076109), (30, 717406), (60, 358703)]