21000663474

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{500015797}}^1$

素因数の和:500015809

約数の個数: 16

約数和(自身を含む): 48001516608

約数和(自身を除く): 27000853134

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 500015797, 1000031594, 1500047391, 3000094782, 3500110579, 7000221158, 10500331737, 21000663474]

約数ペア:

[(1, 21000663474), (2, 10500331737), (3, 7000221158), (6, 3500110579), (7, 3000094782), (14, 1500047391), (21, 1000031594), (42, 500015797)]