2021570215

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{485371}}^1$

素因数の和:485407

約数の個数: 24

約数和(自身を含む): 2987950032

約数和(自身を除く): 966379817

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 4165, 485371, 2426855, 3397597, 8251307, 16987985, 23783179, 41256535, 57759149, 118915895, 288795745, 404314043, 2021570215]

約数ペア:

[(1, 2021570215), (5, 404314043), (7, 288795745), (17, 118915895), (35, 57759149), (49, 41256535), (85, 23783179), (119, 16987985), (245, 8251307), (595, 3397597), (833, 2426855), (4165, 485371)]