21108178

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{115979}}^1$

素因数の和:116001

約数の個数: 16

約数和(自身を含む): 38969280

約数和(自身を除く): 17861102

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 115979, 231958, 811853, 1507727, 1623706, 3015454, 10554089, 21108178]

約数ペア:

[(1, 21108178), (2, 10554089), (7, 3015454), (13, 1623706), (14, 1507727), (26, 811853), (91, 231958), (182, 115979)]