21130308

素因数分解:

$2^2\times 3^5\times {\mathrm{21739}}^1$

素因数の和:21758

約数の個数: 36

約数和(自身を含む): 55393520

約数和(自身を除く): 34263212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21739, 43478, 65217, 86956, 130434, 195651, 260868, 391302, 586953, 782604, 1173906, 1760859, 2347812, 3521718, 5282577, 7043436, 10565154, 21130308]

約数ペア:

[(1, 21130308), (2, 10565154), (3, 7043436), (4, 5282577), (6, 3521718), (9, 2347812), (12, 1760859), (18, 1173906), (27, 782604), (36, 586953), (54, 391302), (81, 260868), (108, 195651), (162, 130434), (243, 86956), (324, 65217), (486, 43478), (972, 21739)]