21000724500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{9479}}^1$

素因数の和:9719

約数の個数: 192

約数和(自身を含む): 70229053440

約数和(自身を除く): 49228328940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 125, 140, 150, 175, 210, 211, 250, 300, 350, 375, 420, 422, 500, 525, 633, 700, 750, 844, 875, 1050, 1055, 1266, 1477, 1500, 1750, 2100, 2110, 2532, 2625, 2954, 3165, 3500, 4220, 4431, 5250, 5275, 5908, 6330, 7385, 8862, 9479, 10500, 10550, 12660, 14770, 15825, 17724, 18958, 21100, 22155, 26375, 28437, 29540, 31650, 36925, 37916, 44310, 47395, 52750, 56874, 63300, 66353, 73850, 79125, 88620, 94790, 105500, 110775, 113748, 132706, 142185, 147700, 158250, 184625, 189580, 199059, 221550, 236975, 265412, 284370, 316500, 331765, 369250, 398118, 443100, 473950, 553875, 568740, 663530, 710925, 738500, 796236, 947900, 995295, 1107750, 1184875, 1327060, 1421850, 1658825, 1990590, 2000069, 2215500, 2369750, 2843700, 3317650, 3554625, 3981180, 4000138, 4739500, 4976475, 6000207, 6635300, 7109250, 8000276, 8294125, 9952950, 10000345, 12000414, 14000483, 14218500, 16588250, 19905900, 20000690, 24000828, 24882375, 28000966, 30001035, 33176500, 40001380, 42001449, 49764750, 50001725, 56001932, 60002070, 70002415, 84002898, 99529500, 100003450, 120004140, 140004830, 150005175, 168005796, 200006900, 210007245, 250008625, 280009660, 300010350, 350012075, 420014490, 500017250, 600020700, 700024150, 750025875, 840028980, 1000034500, 1050036225, 1400048300, 1500051750, 1750060375, 2100072450, 3000103500, 3500120750, 4200144900, 5250181125, 7000241500, 10500362250, 21000724500]

約数ペア:

[(1, 21000724500), (2, 10500362250), (3, 7000241500), (4, 5250181125), (5, 4200144900), (6, 3500120750), (7, 3000103500), (10, 2100072450), (12, 1750060375), (14, 1500051750), (15, 1400048300), (20, 1050036225), (21, 1000034500), (25, 840028980), (28, 750025875), (30, 700024150), (35, 600020700), (42, 500017250), (50, 420014490), (60, 350012075), (70, 300010350), (75, 280009660), (84, 250008625), (100, 210007245), (105, 200006900), (125, 168005796), (140, 150005175), (150, 140004830), (175, 120004140), (210, 100003450), (211, 99529500), (250, 84002898), (300, 70002415), (350, 60002070), (375, 56001932), (420, 50001725), (422, 49764750), (500, 42001449), (525, 40001380), (633, 33176500), (700, 30001035), (750, 28000966), (844, 24882375), (875, 24000828), (1050, 20000690), (1055, 19905900), (1266, 16588250), (1477, 14218500), (1500, 14000483), (1750, 12000414), (2100, 10000345), (2110, 9952950), (2532, 8294125), (2625, 8000276), (2954, 7109250), (3165, 6635300), (3500, 6000207), (4220, 4976475), (4431, 4739500), (5250, 4000138), (5275, 3981180), (5908, 3554625), (6330, 3317650), (7385, 2843700), (8862, 2369750), (9479, 2215500), (10500, 2000069), (10550, 1990590), (12660, 1658825), (14770, 1421850), (15825, 1327060), (17724, 1184875), (18958, 1107750), (21100, 995295), (22155, 947900), (26375, 796236), (28437, 738500), (29540, 710925), (31650, 663530), (36925, 568740), (37916, 553875), (44310, 473950), (47395, 443100), (52750, 398118), (56874, 369250), (63300, 331765), (66353, 316500), (73850, 284370), (79125, 265412), (88620, 236975), (94790, 221550), (105500, 199059), (110775, 189580), (113748, 184625), (132706, 158250), (142185, 147700)]