21601590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{720053}}^1$

素因数の和:720063

約数の個数: 16

約数和(自身を含む): 51843888

約数和(自身を除く): 30242298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 720053, 1440106, 2160159, 3600265, 4320318, 7200530, 10800795, 21601590]

約数ペア:

[(1, 21601590), (2, 10800795), (3, 7200530), (5, 4320318), (6, 3600265), (10, 2160159), (15, 1440106), (30, 720053)]