21105847147

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2092381}}^1$

素因数の和:2092530

約数の個数: 16

約数和(自身を含む): 26514664704

約数和(自身を除く): 5408817557

約数列:

[1, 7, 11, 77, 131, 917, 1441, 10087, 2092381, 14646667, 23016191, 161113337, 274101911, 1918713377, 3015121021, 21105847147]

約数ペア:

[(1, 21105847147), (7, 3015121021), (11, 1918713377), (77, 274101911), (131, 161113337), (917, 23016191), (1441, 14646667), (10087, 2092381)]