21918806

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1451}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 40981248

約数和(自身を除く): 19062442

約数列:

[1, 2, 7, 13, 14, 26, 83, 91, 166, 182, 581, 1079, 1162, 1451, 2158, 2902, 7553, 10157, 15106, 18863, 20314, 37726, 120433, 132041, 240866, 264082, 843031, 1565629, 1686062, 3131258, 10959403, 21918806]

約数ペア:

[(1, 21918806), (2, 10959403), (7, 3131258), (13, 1686062), (14, 1565629), (26, 843031), (83, 264082), (91, 240866), (166, 132041), (182, 120433), (581, 37726), (1079, 20314), (1162, 18863), (1451, 15106), (2158, 10157), (2902, 7553)]