21243106

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{1117}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 32882616

約数和(自身を除く): 11639510

約数列:

[1, 2, 37, 74, 257, 514, 1117, 2234, 9509, 19018, 41329, 82658, 287069, 574138, 10621553, 21243106]

約数ペア:

[(1, 21243106), (2, 10621553), (37, 574138), (74, 287069), (257, 82658), (514, 41329), (1117, 19018), (2234, 9509)]