21712300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7487}}^1$

素因数の和:7530

約数の個数: 36

約数和(自身を含む): 48746880

約数和(自身を除く): 27034580

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7487, 14974, 29948, 37435, 74870, 149740, 187175, 217123, 374350, 434246, 748700, 868492, 1085615, 2171230, 4342460, 5428075, 10856150, 21712300]

約数ペア:

[(1, 21712300), (2, 10856150), (4, 5428075), (5, 4342460), (10, 2171230), (20, 1085615), (25, 868492), (29, 748700), (50, 434246), (58, 374350), (100, 217123), (116, 187175), (145, 149740), (290, 74870), (580, 37435), (725, 29948), (1450, 14974), (2900, 7487)]