21270600

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 240

約数和(自身を含む): 80346420

約数和(自身を除く): 59075820

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 81, 90, 100, 101, 104, 108, 117, 120, 130, 135, 150, 156, 162, 180, 195, 200, 202, 216, 225, 234, 260, 270, 300, 303, 312, 324, 325, 351, 360, 390, 404, 405, 450, 468, 505, 520, 540, 585, 600, 606, 648, 650, 675, 702, 780, 808, 810, 900, 909, 936, 975, 1010, 1053, 1080, 1170, 1212, 1300, 1313, 1350, 1404, 1515, 1560, 1620, 1755, 1800, 1818, 1950, 2020, 2025, 2106, 2340, 2424, 2525, 2600, 2626, 2700, 2727, 2808, 2925, 3030, 3240, 3510, 3636, 3900, 3939, 4040, 4050, 4212, 4545, 4680, 5050, 5252, 5265, 5400, 5454, 5850, 6060, 6565, 7020, 7272, 7575, 7800, 7878, 8100, 8181, 8424, 8775, 9090, 10100, 10504, 10530, 10908, 11700, 11817, 12120, 13130, 13635, 14040, 15150, 15756, 16200, 16362, 17550, 18180, 19695, 20200, 21060, 21816, 22725, 23400, 23634, 26260, 26325, 27270, 30300, 31512, 32724, 32825, 35100, 35451, 36360, 39390, 40905, 42120, 45450, 47268, 52520, 52650, 54540, 59085, 60600, 65448, 65650, 68175, 70200, 70902, 78780, 81810, 90900, 94536, 98475, 105300, 106353, 109080, 118170, 131300, 136350, 141804, 157560, 163620, 177255, 181800, 196950, 204525, 210600, 212706, 236340, 262600, 272700, 283608, 295425, 327240, 354510, 393900, 409050, 425412, 472680, 531765, 545400, 590850, 709020, 787800, 818100, 850824, 886275, 1063530, 1181700, 1418040, 1636200, 1772550, 2127060, 2363400, 2658825, 3545100, 4254120, 5317650, 7090200, 10635300, 21270600]

約数ペア:

[(1, 21270600), (2, 10635300), (3, 7090200), (4, 5317650), (5, 4254120), (6, 3545100), (8, 2658825), (9, 2363400), (10, 2127060), (12, 1772550), (13, 1636200), (15, 1418040), (18, 1181700), (20, 1063530), (24, 886275), (25, 850824), (26, 818100), (27, 787800), (30, 709020), (36, 590850), (39, 545400), (40, 531765), (45, 472680), (50, 425412), (52, 409050), (54, 393900), (60, 354510), (65, 327240), (72, 295425), (75, 283608), (78, 272700), (81, 262600), (90, 236340), (100, 212706), (101, 210600), (104, 204525), (108, 196950), (117, 181800), (120, 177255), (130, 163620), (135, 157560), (150, 141804), (156, 136350), (162, 131300), (180, 118170), (195, 109080), (200, 106353), (202, 105300), (216, 98475), (225, 94536), (234, 90900), (260, 81810), (270, 78780), (300, 70902), (303, 70200), (312, 68175), (324, 65650), (325, 65448), (351, 60600), (360, 59085), (390, 54540), (404, 52650), (405, 52520), (450, 47268), (468, 45450), (505, 42120), (520, 40905), (540, 39390), (585, 36360), (600, 35451), (606, 35100), (648, 32825), (650, 32724), (675, 31512), (702, 30300), (780, 27270), (808, 26325), (810, 26260), (900, 23634), (909, 23400), (936, 22725), (975, 21816), (1010, 21060), (1053, 20200), (1080, 19695), (1170, 18180), (1212, 17550), (1300, 16362), (1313, 16200), (1350, 15756), (1404, 15150), (1515, 14040), (1560, 13635), (1620, 13130), (1755, 12120), (1800, 11817), (1818, 11700), (1950, 10908), (2020, 10530), (2025, 10504), (2106, 10100), (2340, 9090), (2424, 8775), (2525, 8424), (2600, 8181), (2626, 8100), (2700, 7878), (2727, 7800), (2808, 7575), (2925, 7272), (3030, 7020), (3240, 6565), (3510, 6060), (3636, 5850), (3900, 5454), (3939, 5400), (4040, 5265), (4050, 5252), (4212, 5050), (4545, 4680)]