201721016

素因数分解:

$2^3\times 7^1\times {\mathrm{997}}^1\times {\mathrm{3613}}^1$

素因数の和:4623

約数の個数: 32

約数和(自身を含む): 432812640

約数和(自身を除く): 231091624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 997, 1994, 3613, 3988, 6979, 7226, 7976, 13958, 14452, 25291, 27916, 28904, 50582, 55832, 101164, 202328, 3602161, 7204322, 14408644, 25215127, 28817288, 50430254, 100860508, 201721016]

約数ペア:

[(1, 201721016), (2, 100860508), (4, 50430254), (7, 28817288), (8, 25215127), (14, 14408644), (28, 7204322), (56, 3602161), (997, 202328), (1994, 101164), (3613, 55832), (3988, 50582), (6979, 28904), (7226, 27916), (7976, 25291), (13958, 14452)]