21330780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355513}}^1$

素因数の和:355525

約数の個数: 24

約数和(自身を含む): 59726352

約数和(自身を除く): 38395572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355513, 711026, 1066539, 1422052, 1777565, 2133078, 3555130, 4266156, 5332695, 7110260, 10665390, 21330780]

約数ペア:

[(1, 21330780), (2, 10665390), (3, 7110260), (4, 5332695), (5, 4266156), (6, 3555130), (10, 2133078), (12, 1777565), (15, 1422052), (20, 1066539), (30, 711026), (60, 355513)]