21081502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9769}}^1$

素因数の和:9867

約数の個数: 16

約数和(自身を含む): 34468560

約数和(自身を除く): 13387058

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 9769, 19538, 126997, 253994, 810827, 1621654, 10540751, 21081502]

約数ペア:

[(1, 21081502), (2, 10540751), (13, 1621654), (26, 810827), (83, 253994), (166, 126997), (1079, 19538), (2158, 9769)]