21771460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37537}}^1$

素因数の和:37575

約数の個数: 24

約数和(自身を含む): 47297880

約数和(自身を除く): 25526420

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 37537, 75074, 150148, 187685, 375370, 750740, 1088573, 2177146, 4354292, 5442865, 10885730, 21771460]

約数ペア:

[(1, 21771460), (2, 10885730), (4, 5442865), (5, 4354292), (10, 2177146), (20, 1088573), (29, 750740), (58, 375370), (116, 187685), (145, 150148), (290, 75074), (580, 37537)]