21000980228

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{1459}}^1\times {\mathrm{124087}}^1$

素因数の和:125579

約数の個数: 24

約数和(自身を含む): 38045380800

約数和(自身を除く): 17044400572

約数列:

[1, 2, 4, 29, 58, 116, 1459, 2918, 5836, 42311, 84622, 124087, 169244, 248174, 496348, 3598523, 7197046, 14394092, 181042933, 362085866, 724171732, 5250245057, 10500490114, 21000980228]

約数ペア:

[(1, 21000980228), (2, 10500490114), (4, 5250245057), (29, 724171732), (58, 362085866), (116, 181042933), (1459, 14394092), (2918, 7197046), (5836, 3598523), (42311, 496348), (84622, 248174), (124087, 169244)]