21307218

素因数分解:

$2^1\times 3^1\times {\mathrm{619}}^1\times {\mathrm{5737}}^1$

素因数の和:6361

約数の個数: 16

約数和(自身を含む): 42690720

約数和(自身を除く): 21383502

約数列:

[1, 2, 3, 6, 619, 1238, 1857, 3714, 5737, 11474, 17211, 34422, 3551203, 7102406, 10653609, 21307218]

約数ペア:

[(1, 21307218), (2, 10653609), (3, 7102406), (6, 3551203), (619, 34422), (1238, 17211), (1857, 11474), (3714, 5737)]