21094798647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{83227}}^1$

素因数の和:83407

約数の個数: 32

約数和(自身を含む): 31059357952

約数和(自身を除く): 9964559305

約数列:

[1, 3, 13, 39, 67, 97, 201, 291, 871, 1261, 2613, 3783, 6499, 19497, 83227, 84487, 249681, 253461, 1081951, 3245853, 5576209, 8073019, 16728627, 24219057, 72490717, 104949247, 217472151, 314847741, 540892273, 1622676819, 7031599549, 21094798647]

約数ペア:

[(1, 21094798647), (3, 7031599549), (13, 1622676819), (39, 540892273), (67, 314847741), (97, 217472151), (201, 104949247), (291, 72490717), (871, 24219057), (1261, 16728627), (2613, 8073019), (3783, 5576209), (6499, 3245853), (19497, 1081951), (83227, 253461), (84487, 249681)]