21870896

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{6869}}^1$

素因数の和:7076

約数の個数: 20

約数和(自身を含む): 42594000

約数和(自身を除く): 20723104

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 6869, 13738, 27476, 54952, 109904, 1366931, 2733862, 5467724, 10935448, 21870896]

約数ペア:

[(1, 21870896), (2, 10935448), (4, 5467724), (8, 2733862), (16, 1366931), (199, 109904), (398, 54952), (796, 27476), (1592, 13738), (3184, 6869)]