21974470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313921}}^1$

素因数の和:313935

約数の個数: 16

約数和(自身を含む): 45204768

約数和(自身を除く): 23230298

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313921, 627842, 1569605, 2197447, 3139210, 4394894, 10987235, 21974470]

約数ペア:

[(1, 21974470), (2, 10987235), (5, 4394894), (7, 3139210), (10, 2197447), (14, 1569605), (35, 627842), (70, 313921)]