21568860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{119827}}^1$

素因数の和:119842

約数の個数: 36

約数和(自身を含む): 65426088

約数和(自身を除く): 43857228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 119827, 239654, 359481, 479308, 599135, 718962, 1078443, 1198270, 1437924, 1797405, 2156886, 2396540, 3594810, 4313772, 5392215, 7189620, 10784430, 21568860]

約数ペア:

[(1, 21568860), (2, 10784430), (3, 7189620), (4, 5392215), (5, 4313772), (6, 3594810), (9, 2396540), (10, 2156886), (12, 1797405), (15, 1437924), (18, 1198270), (20, 1078443), (30, 718962), (36, 599135), (45, 479308), (60, 359481), (90, 239654), (180, 119827)]