21545376853

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 96

約数和(自身を含む): 30996276480

約数和(自身を除く): 9450899627

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 169, 187, 221, 289, 337, 1001, 1183, 1309, 1547, 1859, 2023, 2359, 2431, 2873, 3179, 3707, 3757, 4381, 4913, 5729, 13013, 17017, 20111, 22253, 25949, 26299, 30667, 31603, 34391, 40103, 41327, 48191, 48841, 54043, 56953, 63019, 63869, 74477, 97393, 221221, 289289, 337337, 341887, 378301, 398671, 441133, 447083, 521339, 537251, 626483, 681751, 702559, 819247, 830297, 968201, 1071323, 1266109, 1655681, 3760757, 4385381, 4917913, 5734729, 5812079, 6777407, 7499261, 8862763, 9133267, 10650211, 11589767, 13927199, 16459417, 18212491, 21523853, 63932869, 74551477, 97490393, 115215919, 127487437, 150666971, 181053587, 236762383, 279810089, 1267375109, 1657336681, 1958670623, 3077910979, 21545376853]

約数ペア:

[(1, 21545376853), (7, 3077910979), (11, 1958670623), (13, 1657336681), (17, 1267375109), (77, 279810089), (91, 236762383), (119, 181053587), (143, 150666971), (169, 127487437), (187, 115215919), (221, 97490393), (289, 74551477), (337, 63932869), (1001, 21523853), (1183, 18212491), (1309, 16459417), (1547, 13927199), (1859, 11589767), (2023, 10650211), (2359, 9133267), (2431, 8862763), (2873, 7499261), (3179, 6777407), (3707, 5812079), (3757, 5734729), (4381, 4917913), (4913, 4385381), (5729, 3760757), (13013, 1655681), (17017, 1266109), (20111, 1071323), (22253, 968201), (25949, 830297), (26299, 819247), (30667, 702559), (31603, 681751), (34391, 626483), (40103, 537251), (41327, 521339), (48191, 447083), (48841, 441133), (54043, 398671), (56953, 378301), (63019, 341887), (63869, 337337), (74477, 289289), (97393, 221221)]