21686350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61961}}^1$

素因数の和:61980

約数の個数: 24

約数和(自身を含む): 46099728

約数和(自身を除く): 24413378

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, 350, 61961, 123922, 309805, 433727, 619610, 867454, 1549025, 2168635, 3098050, 4337270, 10843175, 21686350]

約数ペア:

[(1, 21686350), (2, 10843175), (5, 4337270), (7, 3098050), (10, 2168635), (14, 1549025), (25, 867454), (35, 619610), (50, 433727), (70, 309805), (175, 123922), (350, 61961)]