21130167240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{644999}}^1$

素因数の和:645036

約数の個数: 192

約数和(自身を含む): 84520800000

約数和(自身を除く): 63390632760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 32760, 644999, 1289998, 1934997, 2579996, 3224995, 3869994, 4514993, 5159992, 5804991, 6449990, 7739988, 8384987, 9029986, 9674985, 11609982, 12899980, 13544979, 15479976, 16769974, 18059972, 19349970, 22574965, 23219964, 25154961, 25799960, 27089958, 29024955, 33539948, 36119944, 38699940, 40634937, 41924935, 45149930, 46439928, 50309922, 54179916, 58049910, 58694909, 67079896, 67724895, 75464883, 77399880, 81269874, 83849870, 90299860, 100619844, 108359832, 116099820, 117389818, 125774805, 135449790, 150929766, 162539748, 167699740, 176084727, 180599720, 201239688, 203174685, 232199640, 234779636, 251549610, 270899580, 293474545, 301859532, 325079496, 335399480, 352169454, 377324415, 406349370, 469559272, 503099220, 528254181, 541799160, 586949090, 603719064, 704338908, 754648830, 812698740, 880423635, 1006198440, 1056508362, 1173898180, 1408677816, 1509297660, 1625397480, 1760847270, 2113016724, 2347796360, 2641270905, 3018595320, 3521694540, 4226033448, 5282541810, 7043389080, 10565083620, 21130167240]

約数ペア:

[(1, 21130167240), (2, 10565083620), (3, 7043389080), (4, 5282541810), (5, 4226033448), (6, 3521694540), (7, 3018595320), (8, 2641270905), (9, 2347796360), (10, 2113016724), (12, 1760847270), (13, 1625397480), (14, 1509297660), (15, 1408677816), (18, 1173898180), (20, 1056508362), (21, 1006198440), (24, 880423635), (26, 812698740), (28, 754648830), (30, 704338908), (35, 603719064), (36, 586949090), (39, 541799160), (40, 528254181), (42, 503099220), (45, 469559272), (52, 406349370), (56, 377324415), (60, 352169454), (63, 335399480), (65, 325079496), (70, 301859532), (72, 293474545), (78, 270899580), (84, 251549610), (90, 234779636), (91, 232199640), (104, 203174685), (105, 201239688), (117, 180599720), (120, 176084727), (126, 167699740), (130, 162539748), (140, 150929766), (156, 135449790), (168, 125774805), (180, 117389818), (182, 116099820), (195, 108359832), (210, 100619844), (234, 90299860), (252, 83849870), (260, 81269874), (273, 77399880), (280, 75464883), (312, 67724895), (315, 67079896), (360, 58694909), (364, 58049910), (390, 54179916), (420, 50309922), (455, 46439928), (468, 45149930), (504, 41924935), (520, 40634937), (546, 38699940), (585, 36119944), (630, 33539948), (728, 29024955), (780, 27089958), (819, 25799960), (840, 25154961), (910, 23219964), (936, 22574965), (1092, 19349970), (1170, 18059972), (1260, 16769974), (1365, 15479976), (1560, 13544979), (1638, 12899980), (1820, 11609982), (2184, 9674985), (2340, 9029986), (2520, 8384987), (2730, 7739988), (3276, 6449990), (3640, 5804991), (4095, 5159992), (4680, 4514993), (5460, 3869994), (6552, 3224995), (8190, 2579996), (10920, 1934997), (16380, 1289998), (32760, 644999)]