21293540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36713}}^1$

素因数の和:36751

約数の個数: 24

約数和(自身を含む): 46259640

約数和(自身を除く): 24966100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36713, 73426, 146852, 183565, 367130, 734260, 1064677, 2129354, 4258708, 5323385, 10646770, 21293540]

約数ペア:

[(1, 21293540), (2, 10646770), (4, 5323385), (5, 4258708), (10, 2129354), (20, 1064677), (29, 734260), (58, 367130), (116, 183565), (145, 146852), (290, 73426), (580, 36713)]