21271577544

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1700

約数の個数: 192

約数和(自身を含む): 66994611840

約数和(自身を除く): 45723034296

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 67, 72, 84, 126, 134, 168, 201, 252, 268, 402, 469, 504, 536, 603, 661, 804, 938, 953, 1206, 1322, 1407, 1608, 1876, 1906, 1983, 2412, 2644, 2814, 2859, 3752, 3812, 3966, 4221, 4627, 4824, 5288, 5628, 5718, 5949, 6671, 7624, 7932, 8442, 8577, 9254, 11256, 11436, 11898, 13342, 13881, 15864, 16884, 17154, 18508, 20013, 22872, 23796, 26684, 27762, 33768, 34308, 37016, 40026, 41643, 44287, 47592, 53368, 55524, 60039, 63851, 68616, 80052, 83286, 88574, 111048, 120078, 127702, 132861, 160104, 166572, 177148, 191553, 240156, 255404, 265722, 310009, 333144, 354296, 383106, 398583, 446957, 480312, 510808, 531444, 574659, 620018, 629933, 766212, 797166, 893914, 930027, 1062888, 1149318, 1240036, 1259866, 1340871, 1532424, 1594332, 1787828, 1860054, 1889799, 2298636, 2480072, 2519732, 2681742, 2790081, 3188664, 3575656, 3720108, 3779598, 4022613, 4409531, 4597272, 5039464, 5363484, 5580162, 5669397, 7440216, 7559196, 8045226, 8819062, 10726968, 11160324, 11338794, 13228593, 15118392, 16090452, 17638124, 22320648, 22677588, 26457186, 32180904, 35276248, 39685779, 42205511, 45355176, 52914372, 79371558, 84411022, 105828744, 126616533, 158743116, 168822044, 253233066, 295438577, 317486232, 337644088, 379849599, 506466132, 590877154, 759699198, 886315731, 1012932264, 1181754308, 1519398396, 1772631462, 2363508616, 2658947193, 3038796792, 3545262924, 5317894386, 7090525848, 10635788772, 21271577544]

約数ペア:

[(1, 21271577544), (2, 10635788772), (3, 7090525848), (4, 5317894386), (6, 3545262924), (7, 3038796792), (8, 2658947193), (9, 2363508616), (12, 1772631462), (14, 1519398396), (18, 1181754308), (21, 1012932264), (24, 886315731), (28, 759699198), (36, 590877154), (42, 506466132), (56, 379849599), (63, 337644088), (67, 317486232), (72, 295438577), (84, 253233066), (126, 168822044), (134, 158743116), (168, 126616533), (201, 105828744), (252, 84411022), (268, 79371558), (402, 52914372), (469, 45355176), (504, 42205511), (536, 39685779), (603, 35276248), (661, 32180904), (804, 26457186), (938, 22677588), (953, 22320648), (1206, 17638124), (1322, 16090452), (1407, 15118392), (1608, 13228593), (1876, 11338794), (1906, 11160324), (1983, 10726968), (2412, 8819062), (2644, 8045226), (2814, 7559196), (2859, 7440216), (3752, 5669397), (3812, 5580162), (3966, 5363484), (4221, 5039464), (4627, 4597272), (4824, 4409531), (5288, 4022613), (5628, 3779598), (5718, 3720108), (5949, 3575656), (6671, 3188664), (7624, 2790081), (7932, 2681742), (8442, 2519732), (8577, 2480072), (9254, 2298636), (11256, 1889799), (11436, 1860054), (11898, 1787828), (13342, 1594332), (13881, 1532424), (15864, 1340871), (16884, 1259866), (17154, 1240036), (18508, 1149318), (20013, 1062888), (22872, 930027), (23796, 893914), (26684, 797166), (27762, 766212), (33768, 629933), (34308, 620018), (37016, 574659), (40026, 531444), (41643, 510808), (44287, 480312), (47592, 446957), (53368, 398583), (55524, 383106), (60039, 354296), (63851, 333144), (68616, 310009), (80052, 265722), (83286, 255404), (88574, 240156), (111048, 191553), (120078, 177148), (127702, 166572), (132861, 160104)]