21003810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700127}}^1$

素因数の和:700137

約数の個数: 16

約数和(自身を含む): 50409216

約数和(自身を除く): 29405406

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700127, 1400254, 2100381, 3500635, 4200762, 7001270, 10501905, 21003810]

約数ペア:

[(1, 21003810), (2, 10501905), (3, 7001270), (5, 4200762), (6, 3500635), (10, 2100381), (15, 1400254), (30, 700127)]