21416025

素因数分解:

$3^1\times 5^2\times {\mathrm{283}}^1\times {\mathrm{1009}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 35568160

約数和(自身を除く): 14152135

約数列:

[1, 3, 5, 15, 25, 75, 283, 849, 1009, 1415, 3027, 4245, 5045, 7075, 15135, 21225, 25225, 75675, 285547, 856641, 1427735, 4283205, 7138675, 21416025]

約数ペア:

[(1, 21416025), (3, 7138675), (5, 4283205), (15, 1427735), (25, 856641), (75, 285547), (283, 75675), (849, 25225), (1009, 21225), (1415, 15135), (3027, 7075), (4245, 5045)]