21939537

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13877}}^1$

素因数の和:13928

約数の個数: 16

約数和(自身を含む): 31974912

約数和(自身を除く): 10035375

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13877, 41631, 235909, 430187, 707727, 1290561, 7313179, 21939537]

約数ペア:

[(1, 21939537), (3, 7313179), (17, 1290561), (31, 707727), (51, 430187), (93, 235909), (527, 41631), (1581, 13877)]