21045000

素因数分解:

$2^3\times 3^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 160

約数和(自身を含む): 69727680

約数和(自身を除く): 48682680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 25, 30, 40, 46, 50, 60, 61, 69, 75, 92, 100, 115, 120, 122, 125, 138, 150, 183, 184, 200, 230, 244, 250, 276, 300, 305, 345, 366, 375, 460, 488, 500, 552, 575, 600, 610, 625, 690, 732, 750, 915, 920, 1000, 1150, 1220, 1250, 1380, 1403, 1464, 1500, 1525, 1725, 1830, 1875, 2300, 2440, 2500, 2760, 2806, 2875, 3000, 3050, 3450, 3660, 3750, 4209, 4575, 4600, 5000, 5612, 5750, 6100, 6900, 7015, 7320, 7500, 7625, 8418, 8625, 9150, 11224, 11500, 12200, 13800, 14030, 14375, 15000, 15250, 16836, 17250, 18300, 21045, 22875, 23000, 28060, 28750, 30500, 33672, 34500, 35075, 36600, 38125, 42090, 43125, 45750, 56120, 57500, 61000, 69000, 70150, 76250, 84180, 86250, 91500, 105225, 114375, 115000, 140300, 152500, 168360, 172500, 175375, 183000, 210450, 228750, 280600, 305000, 345000, 350750, 420900, 457500, 526125, 701500, 841800, 876875, 915000, 1052250, 1403000, 1753750, 2104500, 2630625, 3507500, 4209000, 5261250, 7015000, 10522500, 21045000]

約数ペア:

[(1, 21045000), (2, 10522500), (3, 7015000), (4, 5261250), (5, 4209000), (6, 3507500), (8, 2630625), (10, 2104500), (12, 1753750), (15, 1403000), (20, 1052250), (23, 915000), (24, 876875), (25, 841800), (30, 701500), (40, 526125), (46, 457500), (50, 420900), (60, 350750), (61, 345000), (69, 305000), (75, 280600), (92, 228750), (100, 210450), (115, 183000), (120, 175375), (122, 172500), (125, 168360), (138, 152500), (150, 140300), (183, 115000), (184, 114375), (200, 105225), (230, 91500), (244, 86250), (250, 84180), (276, 76250), (300, 70150), (305, 69000), (345, 61000), (366, 57500), (375, 56120), (460, 45750), (488, 43125), (500, 42090), (552, 38125), (575, 36600), (600, 35075), (610, 34500), (625, 33672), (690, 30500), (732, 28750), (750, 28060), (915, 23000), (920, 22875), (1000, 21045), (1150, 18300), (1220, 17250), (1250, 16836), (1380, 15250), (1403, 15000), (1464, 14375), (1500, 14030), (1525, 13800), (1725, 12200), (1830, 11500), (1875, 11224), (2300, 9150), (2440, 8625), (2500, 8418), (2760, 7625), (2806, 7500), (2875, 7320), (3000, 7015), (3050, 6900), (3450, 6100), (3660, 5750), (3750, 5612), (4209, 5000), (4575, 4600)]