21485197266

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{335507}}^1$

素因数の和:336346

約数の個数: 32

約数和(自身を含む): 46332312768

約数和(自身を除く): 24847115502

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 821, 1642, 2463, 4926, 10673, 21346, 32019, 64038, 335507, 671014, 1006521, 2013042, 4361591, 8723182, 13084773, 26169546, 275451247, 550902494, 826353741, 1652707482, 3580866211, 7161732422, 10742598633, 21485197266]

約数ペア:

[(1, 21485197266), (2, 10742598633), (3, 7161732422), (6, 3580866211), (13, 1652707482), (26, 826353741), (39, 550902494), (78, 275451247), (821, 26169546), (1642, 13084773), (2463, 8723182), (4926, 4361591), (10673, 2013042), (21346, 1006521), (32019, 671014), (64038, 335507)]