21105006

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270577}}^1$

素因数の和:270595

約数の個数: 16

約数和(自身を含む): 45457104

約数和(自身を除く): 24352098

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270577, 541154, 811731, 1623462, 3517501, 7035002, 10552503, 21105006]

約数ペア:

[(1, 21105006), (2, 10552503), (3, 7035002), (6, 3517501), (13, 1623462), (26, 811731), (39, 541154), (78, 270577)]