21809342

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{691}}^1$

素因数の和:1103

約数の個数: 16

約数和(自身を含む): 33614592

約数和(自身を除く): 11805250

約数列:

[1, 2, 43, 86, 367, 691, 734, 1382, 15781, 29713, 31562, 59426, 253597, 507194, 10904671, 21809342]

約数ペア:

[(1, 21809342), (2, 10904671), (43, 507194), (86, 253597), (367, 59426), (691, 31562), (734, 29713), (1382, 15781)]