21273010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17581}}^1$

素因数の和:17610

約数の個数: 24

約数和(自身を含む): 42091308

約数和(自身を除く): 20818298

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17581, 35162, 87905, 175810, 193391, 386782, 966955, 1933910, 2127301, 4254602, 10636505, 21273010]

約数ペア:

[(1, 21273010), (2, 10636505), (5, 4254602), (10, 2127301), (11, 1933910), (22, 966955), (55, 386782), (110, 193391), (121, 175810), (242, 87905), (605, 35162), (1210, 17581)]