21019943685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{1033}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 38147155200

約数和(自身を除く): 17127211515

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 169, 195, 299, 345, 349, 507, 845, 897, 1033, 1047, 1495, 1745, 2535, 3099, 3887, 4485, 4537, 5165, 5235, 8027, 11661, 13429, 13611, 15495, 19435, 22685, 23759, 24081, 40135, 40287, 58305, 58981, 67145, 68055, 71277, 104351, 118795, 120405, 174577, 176943, 201435, 294905, 308867, 313053, 356385, 360517, 521755, 523731, 872885, 884715, 926601, 1081551, 1356563, 1544335, 1565265, 1802585, 2618655, 4015271, 4069689, 4633005, 4686721, 5407755, 6782815, 8291891, 12045813, 14060163, 20076355, 20348445, 23433605, 24875673, 41459455, 60229065, 60927373, 70300815, 107794583, 124378365, 182782119, 304636865, 323383749, 538972915, 913910595, 1401329579, 1616918745, 4203988737, 7006647895, 21019943685]

約数ペア:

[(1, 21019943685), (3, 7006647895), (5, 4203988737), (13, 1616918745), (15, 1401329579), (23, 913910595), (39, 538972915), (65, 323383749), (69, 304636865), (115, 182782119), (169, 124378365), (195, 107794583), (299, 70300815), (345, 60927373), (349, 60229065), (507, 41459455), (845, 24875673), (897, 23433605), (1033, 20348445), (1047, 20076355), (1495, 14060163), (1745, 12045813), (2535, 8291891), (3099, 6782815), (3887, 5407755), (4485, 4686721), (4537, 4633005), (5165, 4069689), (5235, 4015271), (8027, 2618655), (11661, 1802585), (13429, 1565265), (13611, 1544335), (15495, 1356563), (19435, 1081551), (22685, 926601), (23759, 884715), (24081, 872885), (40135, 523731), (40287, 521755), (58305, 360517), (58981, 356385), (67145, 313053), (68055, 308867), (71277, 294905), (104351, 201435), (118795, 176943), (120405, 174577)]