21200370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706679}}^1$

素因数の和:706689

約数の個数: 16

約数和(自身を含む): 50880960

約数和(自身を除く): 29680590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706679, 1413358, 2120037, 3533395, 4240074, 7066790, 10600185, 21200370]

約数ペア:

[(1, 21200370), (2, 10600185), (3, 7066790), (5, 4240074), (6, 3533395), (10, 2120037), (15, 1413358), (30, 706679)]