21779870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10729}}^1$

素因数の和:10772

約数の個数: 32

約数和(自身を含む): 46353600

約数和(自身を除く): 24573730

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10729, 21458, 53645, 75103, 107290, 150206, 311141, 375515, 622282, 751030, 1555705, 2177987, 3111410, 4355974, 10889935, 21779870]

約数ペア:

[(1, 21779870), (2, 10889935), (5, 4355974), (7, 3111410), (10, 2177987), (14, 1555705), (29, 751030), (35, 622282), (58, 375515), (70, 311141), (145, 150206), (203, 107290), (290, 75103), (406, 53645), (1015, 21458), (2030, 10729)]