21198120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176651}}^1$

素因数の和:176665

約数の個数: 32

約数和(自身を含む): 63594720

約数和(自身を除く): 42396600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176651, 353302, 529953, 706604, 883255, 1059906, 1413208, 1766510, 2119812, 2649765, 3533020, 4239624, 5299530, 7066040, 10599060, 21198120]

約数ペア:

[(1, 21198120), (2, 10599060), (3, 7066040), (4, 5299530), (5, 4239624), (6, 3533020), (8, 2649765), (10, 2119812), (12, 1766510), (15, 1413208), (20, 1059906), (24, 883255), (30, 706604), (40, 529953), (60, 353302), (120, 176651)]