21465000

素因数分解:

$2^3\times 3^4\times 5^4\times {\mathrm{53}}^1$

素因数の和:91

約数の個数: 200

約数和(自身を含む): 76545810

約数和(自身を除く): 55080810

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 53, 54, 60, 72, 75, 81, 90, 100, 106, 108, 120, 125, 135, 150, 159, 162, 180, 200, 212, 216, 225, 250, 265, 270, 300, 318, 324, 360, 375, 405, 424, 450, 477, 500, 530, 540, 600, 625, 636, 648, 675, 750, 795, 810, 900, 954, 1000, 1060, 1080, 1125, 1250, 1272, 1325, 1350, 1431, 1500, 1590, 1620, 1800, 1875, 1908, 2025, 2120, 2250, 2385, 2500, 2650, 2700, 2862, 3000, 3180, 3240, 3375, 3750, 3816, 3975, 4050, 4293, 4500, 4770, 5000, 5300, 5400, 5625, 5724, 6360, 6625, 6750, 7155, 7500, 7950, 8100, 8586, 9000, 9540, 10125, 10600, 11250, 11448, 11925, 13250, 13500, 14310, 15000, 15900, 16200, 16875, 17172, 19080, 19875, 20250, 21465, 22500, 23850, 26500, 27000, 28620, 31800, 33125, 33750, 34344, 35775, 39750, 40500, 42930, 45000, 47700, 50625, 53000, 57240, 59625, 66250, 67500, 71550, 79500, 81000, 85860, 95400, 99375, 101250, 107325, 119250, 132500, 135000, 143100, 159000, 171720, 178875, 198750, 202500, 214650, 238500, 265000, 286200, 298125, 357750, 397500, 405000, 429300, 477000, 536625, 596250, 715500, 795000, 858600, 894375, 1073250, 1192500, 1431000, 1788750, 2146500, 2385000, 2683125, 3577500, 4293000, 5366250, 7155000, 10732500, 21465000]

約数ペア:

[(1, 21465000), (2, 10732500), (3, 7155000), (4, 5366250), (5, 4293000), (6, 3577500), (8, 2683125), (9, 2385000), (10, 2146500), (12, 1788750), (15, 1431000), (18, 1192500), (20, 1073250), (24, 894375), (25, 858600), (27, 795000), (30, 715500), (36, 596250), (40, 536625), (45, 477000), (50, 429300), (53, 405000), (54, 397500), (60, 357750), (72, 298125), (75, 286200), (81, 265000), (90, 238500), (100, 214650), (106, 202500), (108, 198750), (120, 178875), (125, 171720), (135, 159000), (150, 143100), (159, 135000), (162, 132500), (180, 119250), (200, 107325), (212, 101250), (216, 99375), (225, 95400), (250, 85860), (265, 81000), (270, 79500), (300, 71550), (318, 67500), (324, 66250), (360, 59625), (375, 57240), (405, 53000), (424, 50625), (450, 47700), (477, 45000), (500, 42930), (530, 40500), (540, 39750), (600, 35775), (625, 34344), (636, 33750), (648, 33125), (675, 31800), (750, 28620), (795, 27000), (810, 26500), (900, 23850), (954, 22500), (1000, 21465), (1060, 20250), (1080, 19875), (1125, 19080), (1250, 17172), (1272, 16875), (1325, 16200), (1350, 15900), (1431, 15000), (1500, 14310), (1590, 13500), (1620, 13250), (1800, 11925), (1875, 11448), (1908, 11250), (2025, 10600), (2120, 10125), (2250, 9540), (2385, 9000), (2500, 8586), (2650, 8100), (2700, 7950), (2862, 7500), (3000, 7155), (3180, 6750), (3240, 6625), (3375, 6360), (3750, 5724), (3816, 5625), (3975, 5400), (4050, 5300), (4293, 5000), (4500, 4770)]