21495837

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{38317}}^1$

素因数の和:38348

約数の個数: 16

約数和(自身を含む): 33106752

約数和(自身を除く): 11610915

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 38317, 114951, 421487, 651389, 1264461, 1954167, 7165279, 21495837]

約数ペア:

[(1, 21495837), (3, 7165279), (11, 1954167), (17, 1264461), (33, 651389), (51, 421487), (187, 114951), (561, 38317)]