2021500075

素因数分解:

$5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{84317}}^1$

素因数の和:84471

約数の個数: 24

約数和(自身を含む): 2885699232

約数和(自身を除く): 864199157

約数列:

[1, 5, 7, 25, 35, 137, 175, 685, 959, 3425, 4795, 23975, 84317, 421585, 590219, 2107925, 2951095, 11551429, 14755475, 57757145, 80860003, 288785725, 404300015, 2021500075]

約数ペア:

[(1, 2021500075), (5, 404300015), (7, 288785725), (25, 80860003), (35, 57757145), (137, 14755475), (175, 11551429), (685, 2951095), (959, 2107925), (3425, 590219), (4795, 421585), (23975, 84317)]