21787144428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{164471}}^1$

素因数の和:164587

約数の個数: 96

約数和(自身を含む): 61894103040

約数和(自身を除く): 40106958612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 83, 84, 114, 133, 166, 228, 249, 266, 332, 399, 498, 532, 581, 798, 996, 1162, 1577, 1596, 1743, 2324, 3154, 3486, 4731, 6308, 6972, 9462, 11039, 18924, 22078, 33117, 44156, 66234, 132468, 164471, 328942, 493413, 657884, 986826, 1151297, 1973652, 2302594, 3124949, 3453891, 4605188, 6249898, 6907782, 9374847, 12499796, 13651093, 13815564, 18749694, 21874643, 27302186, 37499388, 40953279, 43749286, 54604372, 65623929, 81906558, 87498572, 95557651, 131247858, 163813116, 191115302, 259370767, 262495716, 286672953, 382230604, 518741534, 573345906, 778112301, 1037483068, 1146691812, 1556224602, 1815595369, 3112449204, 3631190738, 5446786107, 7262381476, 10893572214, 21787144428]

約数ペア:

[(1, 21787144428), (2, 10893572214), (3, 7262381476), (4, 5446786107), (6, 3631190738), (7, 3112449204), (12, 1815595369), (14, 1556224602), (19, 1146691812), (21, 1037483068), (28, 778112301), (38, 573345906), (42, 518741534), (57, 382230604), (76, 286672953), (83, 262495716), (84, 259370767), (114, 191115302), (133, 163813116), (166, 131247858), (228, 95557651), (249, 87498572), (266, 81906558), (332, 65623929), (399, 54604372), (498, 43749286), (532, 40953279), (581, 37499388), (798, 27302186), (996, 21874643), (1162, 18749694), (1577, 13815564), (1596, 13651093), (1743, 12499796), (2324, 9374847), (3154, 6907782), (3486, 6249898), (4731, 4605188), (6308, 3453891), (6972, 3124949), (9462, 2302594), (11039, 1973652), (18924, 1151297), (22078, 986826), (33117, 657884), (44156, 493413), (66234, 328942), (132468, 164471)]