21561666

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10477}}^1$

素因数の和:10503

約数の個数: 32

約数和(自身を含む): 50294400

約数和(自身を除く): 28732734

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10477, 20954, 31431, 62862, 73339, 146678, 220017, 440034, 513373, 1026746, 1540119, 3080238, 3593611, 7187222, 10780833, 21561666]

約数ペア:

[(1, 21561666), (2, 10780833), (3, 7187222), (6, 3593611), (7, 3080238), (14, 1540119), (21, 1026746), (42, 513373), (49, 440034), (98, 220017), (147, 146678), (294, 73339), (343, 62862), (686, 31431), (1029, 20954), (2058, 10477)]