21962725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 29783808

約数和(自身を除く): 7821083

約数列:

[1, 5, 17, 25, 31, 85, 155, 425, 527, 775, 1667, 2635, 8335, 13175, 28339, 41675, 51677, 141695, 258385, 708475, 878509, 1291925, 4392545, 21962725]

約数ペア:

[(1, 21962725), (5, 4392545), (17, 1291925), (25, 878509), (31, 708475), (85, 258385), (155, 141695), (425, 51677), (527, 41675), (775, 28339), (1667, 13175), (2635, 8335)]