21694900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7524

約数の個数: 36

約数和(自身を含む): 48707820

約数和(自身を除く): 27012920

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 580, 725, 1450, 2900, 7481, 14962, 29924, 37405, 74810, 149620, 187025, 216949, 374050, 433898, 748100, 867796, 1084745, 2169490, 4338980, 5423725, 10847450, 21694900]

約数ペア:

[(1, 21694900), (2, 10847450), (4, 5423725), (5, 4338980), (10, 2169490), (20, 1084745), (25, 867796), (29, 748100), (50, 433898), (58, 374050), (100, 216949), (116, 187025), (145, 149620), (290, 74810), (580, 37405), (725, 29924), (1450, 14962), (2900, 7481)]