21648490920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{318173}}^1$

素因数の和:318206

約数の個数: 192

約数和(自身を含む): 83387041920

約数和(自身を除く): 61738551000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 34020, 68040, 318173, 636346, 954519, 1272692, 1590865, 1909038, 2227211, 2545384, 2863557, 3181730, 3818076, 4454422, 4772595, 5727114, 6363460, 6681633, 7636152, 8590671, 8908844, 9545190, 11136055, 11454228, 12726920, 13363266, 14317785, 17181342, 17817688, 19090380, 20044899, 22272110, 22908456, 25772013, 26726532, 28635570, 33408165, 34362684, 38180760, 40089798, 42953355, 44544220, 51544026, 53453064, 57271140, 60134697, 66816330, 68725368, 77316039, 80179596, 85906710, 89088440, 100224495, 103088052, 114542280, 120269394, 128860065, 133632660, 154632078, 160359192, 171813420, 180404091, 200448990, 206176104, 240538788, 257720130, 267265320, 300673485, 309264156, 343626840, 360808182, 386580195, 400897980, 481077576, 515440260, 541212273, 601346970, 618528312, 721616364, 773160390, 801795960, 902020455, 1030880520, 1082424546, 1202693940, 1443232728, 1546320780, 1804040910, 2164849092, 2405387880, 2706061365, 3092641560, 3608081820, 4329698184, 5412122730, 7216163640, 10824245460, 21648490920]

約数ペア:

[(1, 21648490920), (2, 10824245460), (3, 7216163640), (4, 5412122730), (5, 4329698184), (6, 3608081820), (7, 3092641560), (8, 2706061365), (9, 2405387880), (10, 2164849092), (12, 1804040910), (14, 1546320780), (15, 1443232728), (18, 1202693940), (20, 1082424546), (21, 1030880520), (24, 902020455), (27, 801795960), (28, 773160390), (30, 721616364), (35, 618528312), (36, 601346970), (40, 541212273), (42, 515440260), (45, 481077576), (54, 400897980), (56, 386580195), (60, 360808182), (63, 343626840), (70, 309264156), (72, 300673485), (81, 267265320), (84, 257720130), (90, 240538788), (105, 206176104), (108, 200448990), (120, 180404091), (126, 171813420), (135, 160359192), (140, 154632078), (162, 133632660), (168, 128860065), (180, 120269394), (189, 114542280), (210, 103088052), (216, 100224495), (243, 89088440), (252, 85906710), (270, 80179596), (280, 77316039), (315, 68725368), (324, 66816330), (360, 60134697), (378, 57271140), (405, 53453064), (420, 51544026), (486, 44544220), (504, 42953355), (540, 40089798), (567, 38180760), (630, 34362684), (648, 33408165), (756, 28635570), (810, 26726532), (840, 25772013), (945, 22908456), (972, 22272110), (1080, 20044899), (1134, 19090380), (1215, 17817688), (1260, 17181342), (1512, 14317785), (1620, 13363266), (1701, 12726920), (1890, 11454228), (1944, 11136055), (2268, 9545190), (2430, 8908844), (2520, 8590671), (2835, 7636152), (3240, 6681633), (3402, 6363460), (3780, 5727114), (4536, 4772595), (4860, 4454422), (5670, 3818076), (6804, 3181730), (7560, 2863557), (8505, 2545384), (9720, 2227211), (11340, 1909038), (13608, 1590865), (17010, 1272692), (22680, 954519), (34020, 636346), (68040, 318173)]