21177810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{235309}}^1$

素因数の和:235322

約数の個数: 24

約数和(自身を含む): 55062540

約数和(自身を除く): 33884730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 235309, 470618, 705927, 1176545, 1411854, 2117781, 2353090, 3529635, 4235562, 7059270, 10588905, 21177810]

約数ペア:

[(1, 21177810), (2, 10588905), (3, 7059270), (5, 4235562), (6, 3529635), (9, 2353090), (10, 2117781), (15, 1411854), (18, 1176545), (30, 705927), (45, 470618), (90, 235309)]