21249386

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:709

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 11098774

約数列:

[1, 2, 127, 254, 269, 311, 538, 622, 34163, 39497, 68326, 78994, 83659, 167318, 10624693, 21249386]

約数ペア:

[(1, 21249386), (2, 10624693), (127, 167318), (254, 83659), (269, 78994), (311, 68326), (538, 39497), (622, 34163)]