21716030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{310229}}^1$

素因数の和:310243

約数の個数: 16

約数和(自身を含む): 44673120

約数和(自身を除く): 22957090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 310229, 620458, 1551145, 2171603, 3102290, 4343206, 10858015, 21716030]

約数ペア:

[(1, 21716030), (2, 10858015), (5, 4343206), (7, 3102290), (10, 2171603), (14, 1551145), (35, 620458), (70, 310229)]