2021119041808

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{661360943}}^1$

素因数の和:661361142

約数の個数: 20

約数和(自身を含む): 3936420338688

約数和(自身を除く): 1915301296880

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 661360943, 1322721886, 2645443772, 5290887544, 10581775088, 126319940113, 252639880226, 505279760452, 1010559520904, 2021119041808]

約数ペア:

[(1, 2021119041808), (2, 1010559520904), (4, 505279760452), (8, 252639880226), (16, 126319940113), (191, 10581775088), (382, 5290887544), (764, 2645443772), (1528, 1322721886), (3056, 661360943)]