21993090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{104729}}^1$

素因数の和:104746

約数の個数: 32

約数和(自身を含む): 60324480

約数和(自身を除く): 38331390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 104729, 209458, 314187, 523645, 628374, 733103, 1047290, 1466206, 1570935, 2199309, 3141870, 3665515, 4398618, 7331030, 10996545, 21993090]

約数ペア:

[(1, 21993090), (2, 10996545), (3, 7331030), (5, 4398618), (6, 3665515), (7, 3141870), (10, 2199309), (14, 1570935), (15, 1466206), (21, 1047290), (30, 733103), (35, 628374), (42, 523645), (70, 314187), (105, 209458), (210, 104729)]