21920595

素因数分解:

$3^1\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1553}}^1$

素因数の和:2502

約数の個数: 16

約数和(自身を含む): 35132832

約数和(自身を除く): 13212237

約数列:

[1, 3, 5, 15, 941, 1553, 2823, 4659, 4705, 7765, 14115, 23295, 1461373, 4384119, 7306865, 21920595]

約数ペア:

[(1, 21920595), (3, 7306865), (5, 4384119), (15, 1461373), (941, 23295), (1553, 14115), (2823, 7765), (4659, 4705)]