21730655

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{1163}}^1$

素因数の和:1306

約数の個数: 16

約数和(自身を含む): 27069984

約数和(自身を除く): 5339329

約数列:

[1, 5, 37, 101, 185, 505, 1163, 3737, 5815, 18685, 43031, 117463, 215155, 587315, 4346131, 21730655]

約数ペア:

[(1, 21730655), (5, 4346131), (37, 587315), (101, 215155), (185, 117463), (505, 43031), (1163, 18685), (3737, 5815)]