21247200

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 216

約数和(自身を含む): 81041688

約数和(自身を除く): 59794488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 30, 32, 36, 39, 40, 45, 48, 50, 52, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 117, 120, 130, 144, 150, 156, 160, 180, 195, 200, 208, 225, 227, 234, 240, 260, 288, 300, 312, 325, 360, 390, 400, 416, 450, 454, 468, 480, 520, 585, 600, 624, 650, 681, 720, 780, 800, 900, 908, 936, 975, 1040, 1135, 1170, 1200, 1248, 1300, 1362, 1440, 1560, 1800, 1816, 1872, 1950, 2043, 2080, 2270, 2340, 2400, 2600, 2724, 2925, 2951, 3120, 3405, 3600, 3632, 3744, 3900, 4086, 4540, 4680, 5200, 5448, 5675, 5850, 5902, 6240, 6810, 7200, 7264, 7800, 8172, 8853, 9080, 9360, 10215, 10400, 10896, 11350, 11700, 11804, 13620, 14755, 15600, 16344, 17025, 17706, 18160, 18720, 20430, 21792, 22700, 23400, 23608, 26559, 27240, 29510, 31200, 32688, 34050, 35412, 36320, 40860, 44265, 45400, 46800, 47216, 51075, 53118, 54480, 59020, 65376, 68100, 70824, 73775, 81720, 88530, 90800, 93600, 94432, 102150, 106236, 108960, 118040, 132795, 136200, 141648, 147550, 163440, 177060, 181600, 204300, 212472, 221325, 236080, 265590, 272400, 283296, 295100, 326880, 354120, 408600, 424944, 442650, 472160, 531180, 544800, 590200, 663975, 708240, 817200, 849888, 885300, 1062360, 1180400, 1327950, 1416480, 1634400, 1770600, 2124720, 2360800, 2655900, 3541200, 4249440, 5311800, 7082400, 10623600, 21247200]

約数ペア:

[(1, 21247200), (2, 10623600), (3, 7082400), (4, 5311800), (5, 4249440), (6, 3541200), (8, 2655900), (9, 2360800), (10, 2124720), (12, 1770600), (13, 1634400), (15, 1416480), (16, 1327950), (18, 1180400), (20, 1062360), (24, 885300), (25, 849888), (26, 817200), (30, 708240), (32, 663975), (36, 590200), (39, 544800), (40, 531180), (45, 472160), (48, 442650), (50, 424944), (52, 408600), (60, 354120), (65, 326880), (72, 295100), (75, 283296), (78, 272400), (80, 265590), (90, 236080), (96, 221325), (100, 212472), (104, 204300), (117, 181600), (120, 177060), (130, 163440), (144, 147550), (150, 141648), (156, 136200), (160, 132795), (180, 118040), (195, 108960), (200, 106236), (208, 102150), (225, 94432), (227, 93600), (234, 90800), (240, 88530), (260, 81720), (288, 73775), (300, 70824), (312, 68100), (325, 65376), (360, 59020), (390, 54480), (400, 53118), (416, 51075), (450, 47216), (454, 46800), (468, 45400), (480, 44265), (520, 40860), (585, 36320), (600, 35412), (624, 34050), (650, 32688), (681, 31200), (720, 29510), (780, 27240), (800, 26559), (900, 23608), (908, 23400), (936, 22700), (975, 21792), (1040, 20430), (1135, 18720), (1170, 18160), (1200, 17706), (1248, 17025), (1300, 16344), (1362, 15600), (1440, 14755), (1560, 13620), (1800, 11804), (1816, 11700), (1872, 11350), (1950, 10896), (2043, 10400), (2080, 10215), (2270, 9360), (2340, 9080), (2400, 8853), (2600, 8172), (2724, 7800), (2925, 7264), (2951, 7200), (3120, 6810), (3405, 6240), (3600, 5902), (3632, 5850), (3744, 5675), (3900, 5448), (4086, 5200), (4540, 4680)]