21346980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355783}}^1$

素因数の和:355795

約数の個数: 24

約数和(自身を含む): 59771712

約数和(自身を除く): 38424732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355783, 711566, 1067349, 1423132, 1778915, 2134698, 3557830, 4269396, 5336745, 7115660, 10673490, 21346980]

約数ペア:

[(1, 21346980), (2, 10673490), (3, 7115660), (4, 5336745), (5, 4269396), (6, 3557830), (10, 2134698), (12, 1778915), (15, 1423132), (20, 1067349), (30, 711566), (60, 355783)]