21132120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{769}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 63756000

約数和(自身を除く): 42623880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 769, 916, 1145, 1374, 1538, 1832, 2290, 2307, 2748, 3076, 3435, 3845, 4580, 4614, 5496, 6152, 6870, 7690, 9160, 9228, 11535, 13740, 15380, 18456, 23070, 27480, 30760, 46140, 92280, 176101, 352202, 528303, 704404, 880505, 1056606, 1408808, 1761010, 2113212, 2641515, 3522020, 4226424, 5283030, 7044040, 10566060, 21132120]

約数ペア:

[(1, 21132120), (2, 10566060), (3, 7044040), (4, 5283030), (5, 4226424), (6, 3522020), (8, 2641515), (10, 2113212), (12, 1761010), (15, 1408808), (20, 1056606), (24, 880505), (30, 704404), (40, 528303), (60, 352202), (120, 176101), (229, 92280), (458, 46140), (687, 30760), (769, 27480), (916, 23070), (1145, 18456), (1374, 15380), (1538, 13740), (1832, 11535), (2290, 9228), (2307, 9160), (2748, 7690), (3076, 6870), (3435, 6152), (3845, 5496), (4580, 4614)]