21154819380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{3221}}^1$

素因数の和:3434

約数の個数: 192

約数和(自身を含む): 64539804672

約数和(自身を除く): 43384985292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 47, 51, 60, 68, 85, 94, 102, 137, 141, 170, 188, 204, 235, 255, 274, 282, 340, 411, 470, 510, 548, 564, 685, 705, 799, 822, 940, 1020, 1370, 1410, 1598, 1644, 2055, 2329, 2397, 2740, 2820, 3196, 3221, 3995, 4110, 4658, 4794, 6439, 6442, 6987, 7990, 8220, 9316, 9588, 9663, 11645, 11985, 12878, 12884, 13974, 15980, 16105, 19317, 19326, 23290, 23970, 25756, 27948, 32195, 32210, 34935, 38634, 38652, 46580, 47940, 48315, 54757, 64390, 64420, 69870, 77268, 96585, 96630, 109463, 109514, 128780, 139740, 151387, 164271, 193170, 193260, 218926, 219028, 273785, 302774, 328389, 328542, 386340, 437852, 441277, 454161, 547315, 547570, 605548, 656778, 657084, 756935, 821355, 882554, 908322, 1094630, 1095140, 1313556, 1323831, 1513870, 1641945, 1642710, 1765108, 1816644, 2189260, 2206385, 2270805, 2573579, 2647662, 3027740, 3283890, 3285420, 4412770, 4541610, 5147158, 5295324, 6567780, 6619155, 7501709, 7720737, 8825540, 9083220, 10294316, 12867895, 13238310, 15003418, 15441474, 20740019, 22505127, 25735790, 26476620, 30006836, 30882948, 37508545, 38603685, 41480038, 45010254, 51471580, 62220057, 75017090, 77207370, 82960076, 90020508, 103700095, 112525635, 124440114, 150034180, 154414740, 207400190, 225051270, 248880228, 311100285, 352580323, 414800380, 450102540, 622200570, 705160646, 1057740969, 1244401140, 1410321292, 1762901615, 2115481938, 3525803230, 4230963876, 5288704845, 7051606460, 10577409690, 21154819380]

約数ペア:

[(1, 21154819380), (2, 10577409690), (3, 7051606460), (4, 5288704845), (5, 4230963876), (6, 3525803230), (10, 2115481938), (12, 1762901615), (15, 1410321292), (17, 1244401140), (20, 1057740969), (30, 705160646), (34, 622200570), (47, 450102540), (51, 414800380), (60, 352580323), (68, 311100285), (85, 248880228), (94, 225051270), (102, 207400190), (137, 154414740), (141, 150034180), (170, 124440114), (188, 112525635), (204, 103700095), (235, 90020508), (255, 82960076), (274, 77207370), (282, 75017090), (340, 62220057), (411, 51471580), (470, 45010254), (510, 41480038), (548, 38603685), (564, 37508545), (685, 30882948), (705, 30006836), (799, 26476620), (822, 25735790), (940, 22505127), (1020, 20740019), (1370, 15441474), (1410, 15003418), (1598, 13238310), (1644, 12867895), (2055, 10294316), (2329, 9083220), (2397, 8825540), (2740, 7720737), (2820, 7501709), (3196, 6619155), (3221, 6567780), (3995, 5295324), (4110, 5147158), (4658, 4541610), (4794, 4412770), (6439, 3285420), (6442, 3283890), (6987, 3027740), (7990, 2647662), (8220, 2573579), (9316, 2270805), (9588, 2206385), (9663, 2189260), (11645, 1816644), (11985, 1765108), (12878, 1642710), (12884, 1641945), (13974, 1513870), (15980, 1323831), (16105, 1313556), (19317, 1095140), (19326, 1094630), (23290, 908322), (23970, 882554), (25756, 821355), (27948, 756935), (32195, 657084), (32210, 656778), (34935, 605548), (38634, 547570), (38652, 547315), (46580, 454161), (47940, 441277), (48315, 437852), (54757, 386340), (64390, 328542), (64420, 328389), (69870, 302774), (77268, 273785), (96585, 219028), (96630, 218926), (109463, 193260), (109514, 193170), (128780, 164271), (139740, 151387)]