21205100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{30293}}^1$

素因数の和:30314

約数の個数: 36

約数和(自身を含む): 52590384

約数和(自身を除く): 31385284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 30293, 60586, 121172, 151465, 212051, 302930, 424102, 605860, 757325, 848204, 1060255, 1514650, 2120510, 3029300, 4241020, 5301275, 10602550, 21205100]

約数ペア:

[(1, 21205100), (2, 10602550), (4, 5301275), (5, 4241020), (7, 3029300), (10, 2120510), (14, 1514650), (20, 1060255), (25, 848204), (28, 757325), (35, 605860), (50, 424102), (70, 302930), (100, 212051), (140, 151465), (175, 121172), (350, 60586), (700, 30293)]