21311301

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{977}}^1$

素因数の和:1652

約数の個数: 16

約数和(自身を含む): 31076928

約数和(自身を除く): 9765627

約数列:

[1, 3, 11, 33, 661, 977, 1983, 2931, 7271, 10747, 21813, 32241, 645797, 1937391, 7103767, 21311301]

約数ペア:

[(1, 21311301), (3, 7103767), (11, 1937391), (33, 645797), (661, 32241), (977, 21813), (1983, 10747), (2931, 7271)]