21437726

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1379

約数の個数: 16

約数和(自身を含む): 33178560

約数和(自身を除く): 11740834

約数列:

[1, 2, 37, 74, 271, 542, 1069, 2138, 10027, 20054, 39553, 79106, 289699, 579398, 10718863, 21437726]

約数ペア:

[(1, 21437726), (2, 10718863), (37, 579398), (74, 289699), (271, 79106), (542, 39553), (1069, 20054), (2138, 10027)]