21266706916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{12251}}^1$

素因数の和:12545

約数の個数: 96

約数和(自身を含む): 48412062720

約数和(自身を除く): 27145355804

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 251, 266, 364, 494, 502, 532, 988, 1004, 1729, 1757, 3263, 3458, 3514, 4769, 6526, 6916, 7028, 9538, 12251, 13052, 19076, 22841, 24502, 33383, 45682, 49004, 61997, 66766, 85757, 91364, 123994, 133532, 159263, 171514, 232769, 247988, 318526, 343028, 433979, 465538, 637052, 867958, 931076, 1114841, 1629383, 1735916, 2229682, 3025997, 3075001, 3258766, 4459364, 6051994, 6150002, 6517532, 12103988, 12300004, 21181979, 21525007, 39975013, 42363958, 43050014, 58425019, 79950026, 84727916, 86100028, 116850038, 159900052, 233700076, 279825091, 408975133, 559650182, 759525247, 817950266, 1119300364, 1519050494, 1635900532, 3038100988, 5316676729, 10633353458, 21266706916]

約数ペア:

[(1, 21266706916), (2, 10633353458), (4, 5316676729), (7, 3038100988), (13, 1635900532), (14, 1519050494), (19, 1119300364), (26, 817950266), (28, 759525247), (38, 559650182), (52, 408975133), (76, 279825091), (91, 233700076), (133, 159900052), (182, 116850038), (247, 86100028), (251, 84727916), (266, 79950026), (364, 58425019), (494, 43050014), (502, 42363958), (532, 39975013), (988, 21525007), (1004, 21181979), (1729, 12300004), (1757, 12103988), (3263, 6517532), (3458, 6150002), (3514, 6051994), (4769, 4459364), (6526, 3258766), (6916, 3075001), (7028, 3025997), (9538, 2229682), (12251, 1735916), (13052, 1629383), (19076, 1114841), (22841, 931076), (24502, 867958), (33383, 637052), (45682, 465538), (49004, 433979), (61997, 343028), (66766, 318526), (85757, 247988), (91364, 232769), (123994, 171514), (133532, 159263)]