21008370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{700279}}^1$

素因数の和:700289

約数の個数: 16

約数和(自身を含む): 50420160

約数和(自身を除く): 29411790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 700279, 1400558, 2100837, 3501395, 4201674, 7002790, 10504185, 21008370]

約数ペア:

[(1, 21008370), (2, 10504185), (3, 7002790), (5, 4201674), (6, 3501395), (10, 2100837), (15, 1400558), (30, 700279)]