21162933

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{887}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 33523776

約数和(自身を除く): 12360843

約数列:

[1, 3, 9, 11, 33, 99, 241, 723, 887, 2169, 2651, 2661, 7953, 7983, 9757, 23859, 29271, 87813, 213767, 641301, 1923903, 2351437, 7054311, 21162933]

約数ペア:

[(1, 21162933), (3, 7054311), (9, 2351437), (11, 1923903), (33, 641301), (99, 213767), (241, 87813), (723, 29271), (887, 23859), (2169, 9757), (2651, 7983), (2661, 7953)]