21701260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{155009}}^1$

素因数の和:155025

約数の個数: 24

約数和(自身を含む): 52083360

約数和(自身を除く): 30382100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 155009, 310018, 620036, 775045, 1085063, 1550090, 2170126, 3100180, 4340252, 5425315, 10850630, 21701260]

約数ペア:

[(1, 21701260), (2, 10850630), (4, 5425315), (5, 4340252), (7, 3100180), (10, 2170126), (14, 1550090), (20, 1085063), (28, 775045), (35, 620036), (70, 310018), (140, 155009)]