21014745120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{6829}}^1$

素因数の和:8987

約数の個数: 144

約数和(自身を含む): 71756881560

約数和(自身を除く): 50742136440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 2137, 4274, 6411, 6829, 8548, 10685, 12822, 13658, 17096, 19233, 20487, 21370, 25644, 27316, 32055, 34145, 34192, 38466, 40974, 42740, 51288, 54632, 61461, 64110, 68290, 68384, 76932, 81948, 85480, 96165, 102435, 102576, 109264, 122922, 128220, 136580, 153864, 163896, 170960, 192330, 204870, 205152, 218528, 245844, 256440, 273160, 307305, 307728, 327792, 341920, 384660, 409740, 491688, 512880, 546320, 614610, 615456, 655584, 769320, 819480, 983376, 1025760, 1092640, 1229220, 1538640, 1638960, 1966752, 2458440, 3077280, 3277920, 4916880, 9833760, 14593573, 29187146, 43780719, 58374292, 72967865, 87561438, 116748584, 131342157, 145935730, 175122876, 218903595, 233497168, 262684314, 291871460, 350245752, 437807190, 466994336, 525368628, 583742920, 656710785, 700491504, 875614380, 1050737256, 1167485840, 1313421570, 1400983008, 1751228760, 2101474512, 2334971680, 2626843140, 3502457520, 4202949024, 5253686280, 7004915040, 10507372560, 21014745120]

約数ペア:

[(1, 21014745120), (2, 10507372560), (3, 7004915040), (4, 5253686280), (5, 4202949024), (6, 3502457520), (8, 2626843140), (9, 2334971680), (10, 2101474512), (12, 1751228760), (15, 1400983008), (16, 1313421570), (18, 1167485840), (20, 1050737256), (24, 875614380), (30, 700491504), (32, 656710785), (36, 583742920), (40, 525368628), (45, 466994336), (48, 437807190), (60, 350245752), (72, 291871460), (80, 262684314), (90, 233497168), (96, 218903595), (120, 175122876), (144, 145935730), (160, 131342157), (180, 116748584), (240, 87561438), (288, 72967865), (360, 58374292), (480, 43780719), (720, 29187146), (1440, 14593573), (2137, 9833760), (4274, 4916880), (6411, 3277920), (6829, 3077280), (8548, 2458440), (10685, 1966752), (12822, 1638960), (13658, 1538640), (17096, 1229220), (19233, 1092640), (20487, 1025760), (21370, 983376), (25644, 819480), (27316, 769320), (32055, 655584), (34145, 615456), (34192, 614610), (38466, 546320), (40974, 512880), (42740, 491688), (51288, 409740), (54632, 384660), (61461, 341920), (64110, 327792), (68290, 307728), (68384, 307305), (76932, 273160), (81948, 256440), (85480, 245844), (96165, 218528), (102435, 205152), (102576, 204870), (109264, 192330), (122922, 170960), (128220, 163896), (136580, 153864)]