21167885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{3691}}^1$

素因数の和:3764

約数の個数: 16

約数和(自身を含む): 26936832

約数和(自身を除く): 5768947

約数列:

[1, 5, 31, 37, 155, 185, 1147, 3691, 5735, 18455, 114421, 136567, 572105, 682835, 4233577, 21167885]

約数ペア:

[(1, 21167885), (5, 4233577), (31, 682835), (37, 572105), (155, 136567), (185, 114421), (1147, 18455), (3691, 5735)]