2021815355

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{25939}}^1$

素因数の和:26099

約数の個数: 32

約数和(自身を含む): 2958405120

約数和(自身を除く): 936589765

約数列:

[1, 5, 7, 17, 35, 85, 119, 131, 595, 655, 917, 2227, 4585, 11135, 15589, 25939, 77945, 129695, 181573, 440963, 907865, 2204815, 3086741, 3398009, 15433705, 16990045, 23786063, 57766153, 118930315, 288830765, 404363071, 2021815355]

約数ペア:

[(1, 2021815355), (5, 404363071), (7, 288830765), (17, 118930315), (35, 57766153), (85, 23786063), (119, 16990045), (131, 15433705), (595, 3398009), (655, 3086741), (917, 2204815), (2227, 907865), (4585, 440963), (11135, 181573), (15589, 129695), (25939, 77945)]