21000980244

素因数分解:

$2^2\times 3^1\times {\mathrm{251}}^1\times {\mathrm{827}}^1\times {\mathrm{8431}}^1$

素因数の和:9516

約数の個数: 48

約数和(自身を含む): 49262846976

約数和(自身を除く): 28261866732

約数列:

[1, 2, 3, 4, 6, 12, 251, 502, 753, 827, 1004, 1506, 1654, 2481, 3012, 3308, 4962, 8431, 9924, 16862, 25293, 33724, 50586, 101172, 207577, 415154, 622731, 830308, 1245462, 2116181, 2490924, 4232362, 6348543, 6972437, 8464724, 12697086, 13944874, 20917311, 25394172, 27889748, 41834622, 83669244, 1750081687, 3500163374, 5250245061, 7000326748, 10500490122, 21000980244]

約数ペア:

[(1, 21000980244), (2, 10500490122), (3, 7000326748), (4, 5250245061), (6, 3500163374), (12, 1750081687), (251, 83669244), (502, 41834622), (753, 27889748), (827, 25394172), (1004, 20917311), (1506, 13944874), (1654, 12697086), (2481, 8464724), (3012, 6972437), (3308, 6348543), (4962, 4232362), (8431, 2490924), (9924, 2116181), (16862, 1245462), (25293, 830308), (33724, 622731), (50586, 415154), (101172, 207577)]