21329583

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{3571}}^1$

素因数の和:3766

約数の個数: 16

約数和(自身を含む): 31204992

約数和(自身を除く): 9875409

約数列:

[1, 3, 11, 33, 181, 543, 1991, 3571, 5973, 10713, 39281, 117843, 646351, 1939053, 7109861, 21329583]

約数ペア:

[(1, 21329583), (3, 7109861), (11, 1939053), (33, 646351), (181, 117843), (543, 39281), (1991, 10713), (3571, 5973)]