21165365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{5519}}^1$

素因数の和:5596

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 6655435

約数列:

[1, 5, 13, 59, 65, 295, 767, 3835, 5519, 27595, 71747, 325621, 358735, 1628105, 4233073, 21165365]

約数ペア:

[(1, 21165365), (5, 4233073), (13, 1628105), (59, 358735), (65, 325621), (295, 71747), (767, 27595), (3835, 5519)]