21325505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{6067}}^1$

素因数の和:6128

約数の個数: 16

約数和(自身を含む): 27670080

約数和(自身を除く): 6344575

約数列:

[1, 5, 19, 37, 95, 185, 703, 3515, 6067, 30335, 115273, 224479, 576365, 1122395, 4265101, 21325505]

約数ペア:

[(1, 21325505), (5, 4265101), (19, 1122395), (37, 576365), (95, 224479), (185, 115273), (703, 30335), (3515, 6067)]