21486600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 77673600

約数和(自身を除く): 56187000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 25, 27, 30, 36, 40, 45, 46, 50, 54, 60, 69, 72, 75, 90, 92, 100, 108, 115, 120, 135, 138, 150, 173, 180, 184, 200, 207, 216, 225, 230, 270, 276, 300, 345, 346, 360, 414, 450, 460, 519, 540, 552, 575, 600, 621, 675, 690, 692, 828, 865, 900, 920, 1035, 1038, 1080, 1150, 1242, 1350, 1380, 1384, 1557, 1656, 1725, 1730, 1800, 2070, 2076, 2300, 2484, 2595, 2700, 2760, 3105, 3114, 3450, 3460, 3979, 4140, 4152, 4325, 4600, 4671, 4968, 5175, 5190, 5400, 6210, 6228, 6900, 6920, 7785, 7958, 8280, 8650, 9342, 10350, 10380, 11937, 12420, 12456, 12975, 13800, 15525, 15570, 15916, 17300, 18684, 19895, 20700, 20760, 23355, 23874, 24840, 25950, 31050, 31140, 31832, 34600, 35811, 37368, 38925, 39790, 41400, 46710, 47748, 51900, 59685, 62100, 62280, 71622, 77850, 79580, 93420, 95496, 99475, 103800, 107433, 116775, 119370, 124200, 143244, 155700, 159160, 179055, 186840, 198950, 214866, 233550, 238740, 286488, 298425, 311400, 358110, 397900, 429732, 467100, 477480, 537165, 596850, 716220, 795800, 859464, 895275, 934200, 1074330, 1193700, 1432440, 1790550, 2148660, 2387400, 2685825, 3581100, 4297320, 5371650, 7162200, 10743300, 21486600]

約数ペア:

[(1, 21486600), (2, 10743300), (3, 7162200), (4, 5371650), (5, 4297320), (6, 3581100), (8, 2685825), (9, 2387400), (10, 2148660), (12, 1790550), (15, 1432440), (18, 1193700), (20, 1074330), (23, 934200), (24, 895275), (25, 859464), (27, 795800), (30, 716220), (36, 596850), (40, 537165), (45, 477480), (46, 467100), (50, 429732), (54, 397900), (60, 358110), (69, 311400), (72, 298425), (75, 286488), (90, 238740), (92, 233550), (100, 214866), (108, 198950), (115, 186840), (120, 179055), (135, 159160), (138, 155700), (150, 143244), (173, 124200), (180, 119370), (184, 116775), (200, 107433), (207, 103800), (216, 99475), (225, 95496), (230, 93420), (270, 79580), (276, 77850), (300, 71622), (345, 62280), (346, 62100), (360, 59685), (414, 51900), (450, 47748), (460, 46710), (519, 41400), (540, 39790), (552, 38925), (575, 37368), (600, 35811), (621, 34600), (675, 31832), (690, 31140), (692, 31050), (828, 25950), (865, 24840), (900, 23874), (920, 23355), (1035, 20760), (1038, 20700), (1080, 19895), (1150, 18684), (1242, 17300), (1350, 15916), (1380, 15570), (1384, 15525), (1557, 13800), (1656, 12975), (1725, 12456), (1730, 12420), (1800, 11937), (2070, 10380), (2076, 10350), (2300, 9342), (2484, 8650), (2595, 8280), (2700, 7958), (2760, 7785), (3105, 6920), (3114, 6900), (3450, 6228), (3460, 6210), (3979, 5400), (4140, 5190), (4152, 5175), (4325, 4968), (4600, 4671)]