21704035

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 28044720

約数和(自身を除く): 6340685

約数列:

[1, 5, 29, 43, 59, 145, 215, 295, 1247, 1711, 2537, 3481, 6235, 8555, 12685, 17405, 73573, 100949, 149683, 367865, 504745, 748415, 4340807, 21704035]

約数ペア:

[(1, 21704035), (5, 4340807), (29, 748415), (43, 504745), (59, 367865), (145, 149683), (215, 100949), (295, 73573), (1247, 17405), (1711, 12685), (2537, 8555), (3481, 6235)]