21000298476

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{12590107}}^1$

素因数の和:12590253

約数の個数: 24

約数和(自身を含む): 49353223360

約数和(自身を除く): 28352924884

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 12590107, 25180214, 37770321, 50360428, 75540642, 151081284, 1750024873, 3500049746, 5250074619, 7000099492, 10500149238, 21000298476]

約数ペア:

[(1, 21000298476), (2, 10500149238), (3, 7000099492), (4, 5250074619), (6, 3500049746), (12, 1750024873), (139, 151081284), (278, 75540642), (417, 50360428), (556, 37770321), (834, 25180214), (1668, 12590107)]