21710670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1129}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 52233120

約数和(自身を除く): 30522450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1129, 1282, 1923, 2258, 3205, 3387, 3846, 5645, 6410, 6774, 9615, 11290, 16935, 19230, 33870, 723689, 1447378, 2171067, 3618445, 4342134, 7236890, 10855335, 21710670]

約数ペア:

[(1, 21710670), (2, 10855335), (3, 7236890), (5, 4342134), (6, 3618445), (10, 2171067), (15, 1447378), (30, 723689), (641, 33870), (1129, 19230), (1282, 16935), (1923, 11290), (2258, 9615), (3205, 6774), (3387, 6410), (3846, 5645)]