21590984

素因数分解:

$2^3\times {\mathrm{1619}}^1\times {\mathrm{1667}}^1$

素因数の和:3292

約数の個数: 16

約数和(自身を含む): 40532400

約数和(自身を除く): 18941416

約数列:

[1, 2, 4, 8, 1619, 1667, 3238, 3334, 6476, 6668, 12952, 13336, 2698873, 5397746, 10795492, 21590984]

約数ペア:

[(1, 21590984), (2, 10795492), (4, 5397746), (8, 2698873), (1619, 13336), (1667, 12952), (3238, 6668), (3334, 6476)]