2021170053

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1318441}}^1$

素因数の和:1318524

約数の個数: 16

約数和(自身を含む): 3122070656

約数和(自身を除く): 1100900603

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 1318441, 3955323, 9229087, 27687261, 96246193, 288738579, 673723351, 2021170053]

約数ペア:

[(1, 2021170053), (3, 673723351), (7, 288738579), (21, 96246193), (73, 27687261), (219, 9229087), (511, 3955323), (1533, 1318441)]