21202857

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2134

約数の個数: 32

約数和(自身を含む): 35011200

約数和(自身を除く): 13808343

約数列:

[1, 3, 9, 13, 27, 29, 39, 87, 117, 261, 351, 377, 783, 1131, 2083, 3393, 6249, 10179, 18747, 27079, 56241, 60407, 81237, 181221, 243711, 543663, 731133, 785291, 1630989, 2355873, 7067619, 21202857]

約数ペア:

[(1, 21202857), (3, 7067619), (9, 2355873), (13, 1630989), (27, 785291), (29, 731133), (39, 543663), (87, 243711), (117, 181221), (261, 81237), (351, 60407), (377, 56241), (783, 27079), (1131, 18747), (2083, 10179), (3393, 6249)]