21608760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180073}}^1$

素因数の和:180087

約数の個数: 32

約数和(自身を含む): 64826640

約数和(自身を除く): 43217880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180073, 360146, 540219, 720292, 900365, 1080438, 1440584, 1800730, 2160876, 2701095, 3601460, 4321752, 5402190, 7202920, 10804380, 21608760]

約数ペア:

[(1, 21608760), (2, 10804380), (3, 7202920), (4, 5402190), (5, 4321752), (6, 3601460), (8, 2701095), (10, 2160876), (12, 1800730), (15, 1440584), (20, 1080438), (24, 900365), (30, 720292), (40, 540219), (60, 360146), (120, 180073)]