21006000

素因数分解:

$2^4\times 3^3\times 5^3\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 160

約数和(自身を含む): 75441600

約数和(自身を除く): 54435600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 125, 135, 144, 150, 180, 200, 216, 225, 240, 250, 270, 300, 360, 375, 389, 400, 432, 450, 500, 540, 600, 675, 720, 750, 778, 900, 1000, 1080, 1125, 1167, 1200, 1350, 1500, 1556, 1800, 1945, 2000, 2160, 2250, 2334, 2700, 3000, 3112, 3375, 3501, 3600, 3890, 4500, 4668, 5400, 5835, 6000, 6224, 6750, 7002, 7780, 9000, 9336, 9725, 10503, 10800, 11670, 13500, 14004, 15560, 17505, 18000, 18672, 19450, 21006, 23340, 27000, 28008, 29175, 31120, 35010, 38900, 42012, 46680, 48625, 52515, 54000, 56016, 58350, 70020, 77800, 84024, 87525, 93360, 97250, 105030, 116700, 140040, 145875, 155600, 168048, 175050, 194500, 210060, 233400, 262575, 280080, 291750, 350100, 389000, 420120, 437625, 466800, 525150, 583500, 700200, 778000, 840240, 875250, 1050300, 1167000, 1312875, 1400400, 1750500, 2100600, 2334000, 2625750, 3501000, 4201200, 5251500, 7002000, 10503000, 21006000]

約数ペア:

[(1, 21006000), (2, 10503000), (3, 7002000), (4, 5251500), (5, 4201200), (6, 3501000), (8, 2625750), (9, 2334000), (10, 2100600), (12, 1750500), (15, 1400400), (16, 1312875), (18, 1167000), (20, 1050300), (24, 875250), (25, 840240), (27, 778000), (30, 700200), (36, 583500), (40, 525150), (45, 466800), (48, 437625), (50, 420120), (54, 389000), (60, 350100), (72, 291750), (75, 280080), (80, 262575), (90, 233400), (100, 210060), (108, 194500), (120, 175050), (125, 168048), (135, 155600), (144, 145875), (150, 140040), (180, 116700), (200, 105030), (216, 97250), (225, 93360), (240, 87525), (250, 84024), (270, 77800), (300, 70020), (360, 58350), (375, 56016), (389, 54000), (400, 52515), (432, 48625), (450, 46680), (500, 42012), (540, 38900), (600, 35010), (675, 31120), (720, 29175), (750, 28008), (778, 27000), (900, 23340), (1000, 21006), (1080, 19450), (1125, 18672), (1167, 18000), (1200, 17505), (1350, 15560), (1500, 14004), (1556, 13500), (1800, 11670), (1945, 10800), (2000, 10503), (2160, 9725), (2250, 9336), (2334, 9000), (2700, 7780), (3000, 7002), (3112, 6750), (3375, 6224), (3501, 6000), (3600, 5835), (3890, 5400), (4500, 4668)]