21204030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706801}}^1$

素因数の和:706811

約数の個数: 16

約数和(自身を含む): 50889744

約数和(自身を除く): 29685714

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706801, 1413602, 2120403, 3534005, 4240806, 7068010, 10602015, 21204030]

約数ペア:

[(1, 21204030), (2, 10602015), (3, 7068010), (5, 4240806), (6, 3534005), (10, 2120403), (15, 1413602), (30, 706801)]