21567000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 256

約数和(自身を含む): 83865600

約数和(自身を除く): 62298600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 50, 52, 56, 60, 65, 70, 75, 78, 79, 84, 91, 100, 104, 105, 120, 125, 130, 140, 150, 156, 158, 168, 175, 182, 195, 200, 210, 237, 250, 260, 273, 280, 300, 312, 316, 325, 350, 364, 375, 390, 395, 420, 455, 474, 500, 520, 525, 546, 553, 600, 632, 650, 700, 728, 750, 780, 790, 840, 875, 910, 948, 975, 1000, 1027, 1050, 1092, 1106, 1185, 1300, 1365, 1400, 1500, 1560, 1580, 1625, 1659, 1750, 1820, 1896, 1950, 1975, 2054, 2100, 2184, 2212, 2275, 2370, 2600, 2625, 2730, 2765, 3000, 3081, 3160, 3250, 3318, 3500, 3640, 3900, 3950, 4108, 4200, 4424, 4550, 4740, 4875, 5135, 5250, 5460, 5530, 5925, 6162, 6500, 6636, 6825, 7000, 7189, 7800, 7900, 8216, 8295, 9100, 9480, 9750, 9875, 10270, 10500, 10920, 11060, 11375, 11850, 12324, 13000, 13272, 13650, 13825, 14378, 15405, 15800, 16590, 18200, 19500, 19750, 20540, 21000, 21567, 22120, 22750, 23700, 24648, 25675, 27300, 27650, 28756, 29625, 30810, 33180, 34125, 35945, 39000, 39500, 41080, 41475, 43134, 45500, 47400, 51350, 54600, 55300, 57512, 59250, 61620, 66360, 68250, 69125, 71890, 77025, 79000, 82950, 86268, 91000, 102700, 107835, 110600, 118500, 123240, 128375, 136500, 138250, 143780, 154050, 165900, 172536, 179725, 205400, 207375, 215670, 237000, 256750, 273000, 276500, 287560, 308100, 331800, 359450, 385125, 414750, 431340, 513500, 539175, 553000, 616200, 718900, 770250, 829500, 862680, 898625, 1027000, 1078350, 1437800, 1540500, 1659000, 1797250, 2156700, 2695875, 3081000, 3594500, 4313400, 5391750, 7189000, 10783500, 21567000]

約数ペア:

[(1, 21567000), (2, 10783500), (3, 7189000), (4, 5391750), (5, 4313400), (6, 3594500), (7, 3081000), (8, 2695875), (10, 2156700), (12, 1797250), (13, 1659000), (14, 1540500), (15, 1437800), (20, 1078350), (21, 1027000), (24, 898625), (25, 862680), (26, 829500), (28, 770250), (30, 718900), (35, 616200), (39, 553000), (40, 539175), (42, 513500), (50, 431340), (52, 414750), (56, 385125), (60, 359450), (65, 331800), (70, 308100), (75, 287560), (78, 276500), (79, 273000), (84, 256750), (91, 237000), (100, 215670), (104, 207375), (105, 205400), (120, 179725), (125, 172536), (130, 165900), (140, 154050), (150, 143780), (156, 138250), (158, 136500), (168, 128375), (175, 123240), (182, 118500), (195, 110600), (200, 107835), (210, 102700), (237, 91000), (250, 86268), (260, 82950), (273, 79000), (280, 77025), (300, 71890), (312, 69125), (316, 68250), (325, 66360), (350, 61620), (364, 59250), (375, 57512), (390, 55300), (395, 54600), (420, 51350), (455, 47400), (474, 45500), (500, 43134), (520, 41475), (525, 41080), (546, 39500), (553, 39000), (600, 35945), (632, 34125), (650, 33180), (700, 30810), (728, 29625), (750, 28756), (780, 27650), (790, 27300), (840, 25675), (875, 24648), (910, 23700), (948, 22750), (975, 22120), (1000, 21567), (1027, 21000), (1050, 20540), (1092, 19750), (1106, 19500), (1185, 18200), (1300, 16590), (1365, 15800), (1400, 15405), (1500, 14378), (1560, 13825), (1580, 13650), (1625, 13272), (1659, 13000), (1750, 12324), (1820, 11850), (1896, 11375), (1950, 11060), (1975, 10920), (2054, 10500), (2100, 10270), (2184, 9875), (2212, 9750), (2275, 9480), (2370, 9100), (2600, 8295), (2625, 8216), (2730, 7900), (2765, 7800), (3000, 7189), (3081, 7000), (3160, 6825), (3250, 6636), (3318, 6500), (3500, 6162), (3640, 5925), (3900, 5530), (3950, 5460), (4108, 5250), (4200, 5135), (4424, 4875), (4550, 4740)]