21210458

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9311}}^1$

素因数の和:9397

約数の個数: 16

約数和(自身を含む): 34193664

約数和(自身を除く): 12983206

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9311, 18622, 158287, 316574, 623837, 1247674, 10605229, 21210458]

約数ペア:

[(1, 21210458), (2, 10605229), (17, 1247674), (34, 623837), (67, 316574), (134, 158287), (1139, 18622), (2278, 9311)]