21243699512

素因数分解:

$2^3\times 7^3\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1471}}^1$

素因数の和:1794

約数の個数: 128

約数和(自身を含む): 49105920000

約数和(自身を除く): 27862220488

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 277, 343, 392, 532, 554, 686, 931, 1064, 1108, 1372, 1471, 1862, 1939, 2216, 2744, 2942, 3724, 3878, 5263, 5884, 6517, 7448, 7756, 10297, 10526, 11768, 13034, 13573, 15512, 20594, 21052, 26068, 27146, 27949, 36841, 41188, 42104, 52136, 54292, 55898, 72079, 73682, 82376, 95011, 108584, 111796, 144158, 147364, 190022, 195643, 223592, 257887, 288316, 294728, 380044, 391286, 407467, 504553, 515774, 576632, 760088, 782572, 814934, 1009106, 1031548, 1369501, 1565144, 1629868, 1805209, 2018212, 2063096, 2739002, 2852269, 3259736, 3610418, 4036424, 5478004, 5704538, 7220836, 7741873, 9586507, 10956008, 11409076, 14441672, 15483746, 19173014, 19965883, 22818152, 30967492, 38346028, 39931766, 54193111, 61934984, 76692056, 79863532, 108386222, 139761181, 159727064, 216772444, 279522362, 379351777, 433544888, 559044724, 758703554, 1118089448, 1517407108, 2655462439, 3034814216, 5310924878, 10621849756, 21243699512]

約数ペア:

[(1, 21243699512), (2, 10621849756), (4, 5310924878), (7, 3034814216), (8, 2655462439), (14, 1517407108), (19, 1118089448), (28, 758703554), (38, 559044724), (49, 433544888), (56, 379351777), (76, 279522362), (98, 216772444), (133, 159727064), (152, 139761181), (196, 108386222), (266, 79863532), (277, 76692056), (343, 61934984), (392, 54193111), (532, 39931766), (554, 38346028), (686, 30967492), (931, 22818152), (1064, 19965883), (1108, 19173014), (1372, 15483746), (1471, 14441672), (1862, 11409076), (1939, 10956008), (2216, 9586507), (2744, 7741873), (2942, 7220836), (3724, 5704538), (3878, 5478004), (5263, 4036424), (5884, 3610418), (6517, 3259736), (7448, 2852269), (7756, 2739002), (10297, 2063096), (10526, 2018212), (11768, 1805209), (13034, 1629868), (13573, 1565144), (15512, 1369501), (20594, 1031548), (21052, 1009106), (26068, 814934), (27146, 782572), (27949, 760088), (36841, 576632), (41188, 515774), (42104, 504553), (52136, 407467), (54292, 391286), (55898, 380044), (72079, 294728), (73682, 288316), (82376, 257887), (95011, 223592), (108584, 195643), (111796, 190022), (144158, 147364)]