21393700

素因数分解:

$2^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{613}}^1$

素因数の和:976

約数の個数: 36

約数和(自身を含む): 46633300

約数和(自身を除く): 25239600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 349, 613, 698, 1226, 1396, 1745, 2452, 3065, 3490, 6130, 6980, 8725, 12260, 15325, 17450, 30650, 34900, 61300, 213937, 427874, 855748, 1069685, 2139370, 4278740, 5348425, 10696850, 21393700]

約数ペア:

[(1, 21393700), (2, 10696850), (4, 5348425), (5, 4278740), (10, 2139370), (20, 1069685), (25, 855748), (50, 427874), (100, 213937), (349, 61300), (613, 34900), (698, 30650), (1226, 17450), (1396, 15325), (1745, 12260), (2452, 8725), (3065, 6980), (3490, 6130)]