21414620

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2417}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 45090864

約数和(自身を除く): 23676244

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 2417, 4430, 4834, 8860, 9668, 12085, 24170, 48340, 1070731, 2141462, 4282924, 5353655, 10707310, 21414620]

約数ペア:

[(1, 21414620), (2, 10707310), (4, 5353655), (5, 4282924), (10, 2141462), (20, 1070731), (443, 48340), (886, 24170), (1772, 12085), (2215, 9668), (2417, 8860), (4430, 4834)]