21645000

素因数分解:

$2^3\times 3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 240

約数和(自身を含む): 81020940

約数和(自身を除く): 59375940

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 30, 36, 37, 39, 40, 45, 50, 52, 60, 65, 72, 74, 75, 78, 90, 100, 104, 111, 117, 120, 125, 130, 148, 150, 156, 180, 185, 195, 200, 222, 225, 234, 250, 260, 296, 300, 312, 325, 333, 360, 370, 375, 390, 444, 450, 468, 481, 500, 520, 555, 585, 600, 625, 650, 666, 740, 750, 780, 888, 900, 925, 936, 962, 975, 1000, 1110, 1125, 1170, 1250, 1300, 1332, 1443, 1480, 1500, 1560, 1625, 1665, 1800, 1850, 1875, 1924, 1950, 2220, 2250, 2340, 2405, 2500, 2600, 2664, 2775, 2886, 2925, 3000, 3250, 3330, 3700, 3750, 3848, 3900, 4329, 4440, 4500, 4625, 4680, 4810, 4875, 5000, 5550, 5625, 5772, 5850, 6500, 6660, 7215, 7400, 7500, 7800, 8125, 8325, 8658, 9000, 9250, 9620, 9750, 11100, 11250, 11544, 11700, 12025, 13000, 13320, 13875, 14430, 14625, 15000, 16250, 16650, 17316, 18500, 19240, 19500, 21645, 22200, 22500, 23125, 23400, 24050, 24375, 27750, 28860, 29250, 32500, 33300, 34632, 36075, 37000, 39000, 41625, 43290, 45000, 46250, 48100, 48750, 55500, 57720, 58500, 60125, 65000, 66600, 69375, 72150, 73125, 83250, 86580, 92500, 96200, 97500, 108225, 111000, 117000, 120250, 138750, 144300, 146250, 166500, 173160, 180375, 185000, 195000, 208125, 216450, 240500, 277500, 288600, 292500, 300625, 333000, 360750, 416250, 432900, 481000, 541125, 555000, 585000, 601250, 721500, 832500, 865800, 901875, 1082250, 1202500, 1443000, 1665000, 1803750, 2164500, 2405000, 2705625, 3607500, 4329000, 5411250, 7215000, 10822500, 21645000]

約数ペア:

[(1, 21645000), (2, 10822500), (3, 7215000), (4, 5411250), (5, 4329000), (6, 3607500), (8, 2705625), (9, 2405000), (10, 2164500), (12, 1803750), (13, 1665000), (15, 1443000), (18, 1202500), (20, 1082250), (24, 901875), (25, 865800), (26, 832500), (30, 721500), (36, 601250), (37, 585000), (39, 555000), (40, 541125), (45, 481000), (50, 432900), (52, 416250), (60, 360750), (65, 333000), (72, 300625), (74, 292500), (75, 288600), (78, 277500), (90, 240500), (100, 216450), (104, 208125), (111, 195000), (117, 185000), (120, 180375), (125, 173160), (130, 166500), (148, 146250), (150, 144300), (156, 138750), (180, 120250), (185, 117000), (195, 111000), (200, 108225), (222, 97500), (225, 96200), (234, 92500), (250, 86580), (260, 83250), (296, 73125), (300, 72150), (312, 69375), (325, 66600), (333, 65000), (360, 60125), (370, 58500), (375, 57720), (390, 55500), (444, 48750), (450, 48100), (468, 46250), (481, 45000), (500, 43290), (520, 41625), (555, 39000), (585, 37000), (600, 36075), (625, 34632), (650, 33300), (666, 32500), (740, 29250), (750, 28860), (780, 27750), (888, 24375), (900, 24050), (925, 23400), (936, 23125), (962, 22500), (975, 22200), (1000, 21645), (1110, 19500), (1125, 19240), (1170, 18500), (1250, 17316), (1300, 16650), (1332, 16250), (1443, 15000), (1480, 14625), (1500, 14430), (1560, 13875), (1625, 13320), (1665, 13000), (1800, 12025), (1850, 11700), (1875, 11544), (1924, 11250), (1950, 11100), (2220, 9750), (2250, 9620), (2340, 9250), (2405, 9000), (2500, 8658), (2600, 8325), (2664, 8125), (2775, 7800), (2886, 7500), (2925, 7400), (3000, 7215), (3250, 6660), (3330, 6500), (3700, 5850), (3750, 5772), (3848, 5625), (3900, 5550), (4329, 5000), (4440, 4875), (4500, 4810), (4625, 4680)]