21790188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 71500800

約数和(自身を除く): 49710612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 37, 38, 41, 42, 54, 57, 63, 74, 76, 82, 84, 108, 111, 114, 123, 126, 133, 148, 164, 171, 189, 222, 228, 246, 252, 259, 266, 287, 333, 342, 369, 378, 399, 444, 492, 513, 518, 532, 574, 666, 684, 703, 738, 756, 777, 779, 798, 861, 999, 1026, 1036, 1107, 1148, 1197, 1332, 1406, 1476, 1517, 1554, 1558, 1596, 1722, 1998, 2052, 2109, 2214, 2331, 2337, 2394, 2583, 2812, 3034, 3108, 3116, 3444, 3591, 3996, 4218, 4428, 4551, 4662, 4674, 4788, 4921, 5166, 5453, 6068, 6327, 6993, 7011, 7182, 7749, 8436, 9102, 9324, 9348, 9842, 10332, 10619, 10906, 12654, 13653, 13986, 14022, 14364, 14763, 15498, 16359, 18204, 18981, 19684, 21033, 21238, 21812, 25308, 27306, 27972, 28044, 28823, 29526, 30996, 31857, 32718, 37962, 40959, 42066, 42476, 44289, 49077, 54612, 57646, 59052, 63714, 65436, 75924, 81918, 84132, 86469, 88578, 95571, 98154, 115292, 127428, 132867, 147231, 163836, 172938, 177156, 191142, 196308, 201761, 259407, 265734, 286713, 294462, 345876, 382284, 403522, 518814, 531468, 573426, 588924, 605283, 778221, 807044, 1037628, 1146852, 1210566, 1556442, 1815849, 2421132, 3112884, 3631698, 5447547, 7263396, 10895094, 21790188]

約数ペア:

[(1, 21790188), (2, 10895094), (3, 7263396), (4, 5447547), (6, 3631698), (7, 3112884), (9, 2421132), (12, 1815849), (14, 1556442), (18, 1210566), (19, 1146852), (21, 1037628), (27, 807044), (28, 778221), (36, 605283), (37, 588924), (38, 573426), (41, 531468), (42, 518814), (54, 403522), (57, 382284), (63, 345876), (74, 294462), (76, 286713), (82, 265734), (84, 259407), (108, 201761), (111, 196308), (114, 191142), (123, 177156), (126, 172938), (133, 163836), (148, 147231), (164, 132867), (171, 127428), (189, 115292), (222, 98154), (228, 95571), (246, 88578), (252, 86469), (259, 84132), (266, 81918), (287, 75924), (333, 65436), (342, 63714), (369, 59052), (378, 57646), (399, 54612), (444, 49077), (492, 44289), (513, 42476), (518, 42066), (532, 40959), (574, 37962), (666, 32718), (684, 31857), (703, 30996), (738, 29526), (756, 28823), (777, 28044), (779, 27972), (798, 27306), (861, 25308), (999, 21812), (1026, 21238), (1036, 21033), (1107, 19684), (1148, 18981), (1197, 18204), (1332, 16359), (1406, 15498), (1476, 14763), (1517, 14364), (1554, 14022), (1558, 13986), (1596, 13653), (1722, 12654), (1998, 10906), (2052, 10619), (2109, 10332), (2214, 9842), (2331, 9348), (2337, 9324), (2394, 9102), (2583, 8436), (2812, 7749), (3034, 7182), (3108, 7011), (3116, 6993), (3444, 6327), (3591, 6068), (3996, 5453), (4218, 5166), (4428, 4921), (4551, 4788), (4662, 4674)]