21341760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 224

約数和(自身を含む): 77248512

約数和(自身を除く): 55906752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 43, 44, 47, 48, 55, 60, 64, 66, 80, 86, 88, 94, 96, 110, 120, 129, 132, 141, 160, 165, 172, 176, 188, 192, 215, 220, 235, 240, 258, 264, 282, 320, 330, 344, 352, 376, 430, 440, 470, 473, 480, 516, 517, 528, 564, 645, 660, 688, 704, 705, 752, 860, 880, 940, 946, 960, 1032, 1034, 1056, 1128, 1290, 1320, 1376, 1410, 1419, 1504, 1551, 1720, 1760, 1880, 1892, 2021, 2064, 2068, 2112, 2256, 2365, 2580, 2585, 2640, 2752, 2820, 2838, 3008, 3102, 3440, 3520, 3760, 3784, 4042, 4128, 4136, 4512, 4730, 5160, 5170, 5280, 5640, 5676, 6063, 6204, 6880, 7095, 7520, 7568, 7755, 8084, 8256, 8272, 9024, 9460, 10105, 10320, 10340, 10560, 11280, 11352, 12126, 12408, 13760, 14190, 15040, 15136, 15510, 16168, 16544, 18920, 20210, 20640, 20680, 22231, 22560, 22704, 24252, 24816, 28380, 30272, 30315, 31020, 32336, 33088, 37840, 40420, 41280, 41360, 44462, 45120, 45408, 48504, 49632, 56760, 60630, 62040, 64672, 66693, 75680, 80840, 82720, 88924, 90816, 97008, 99264, 111155, 113520, 121260, 124080, 129344, 133386, 151360, 161680, 165440, 177848, 194016, 222310, 227040, 242520, 248160, 266772, 323360, 333465, 355696, 388032, 444620, 454080, 485040, 496320, 533544, 646720, 666930, 711392, 889240, 970080, 1067088, 1333860, 1422784, 1778480, 1940160, 2134176, 2667720, 3556960, 4268352, 5335440, 7113920, 10670880, 21341760]

約数ペア:

[(1, 21341760), (2, 10670880), (3, 7113920), (4, 5335440), (5, 4268352), (6, 3556960), (8, 2667720), (10, 2134176), (11, 1940160), (12, 1778480), (15, 1422784), (16, 1333860), (20, 1067088), (22, 970080), (24, 889240), (30, 711392), (32, 666930), (33, 646720), (40, 533544), (43, 496320), (44, 485040), (47, 454080), (48, 444620), (55, 388032), (60, 355696), (64, 333465), (66, 323360), (80, 266772), (86, 248160), (88, 242520), (94, 227040), (96, 222310), (110, 194016), (120, 177848), (129, 165440), (132, 161680), (141, 151360), (160, 133386), (165, 129344), (172, 124080), (176, 121260), (188, 113520), (192, 111155), (215, 99264), (220, 97008), (235, 90816), (240, 88924), (258, 82720), (264, 80840), (282, 75680), (320, 66693), (330, 64672), (344, 62040), (352, 60630), (376, 56760), (430, 49632), (440, 48504), (470, 45408), (473, 45120), (480, 44462), (516, 41360), (517, 41280), (528, 40420), (564, 37840), (645, 33088), (660, 32336), (688, 31020), (704, 30315), (705, 30272), (752, 28380), (860, 24816), (880, 24252), (940, 22704), (946, 22560), (960, 22231), (1032, 20680), (1034, 20640), (1056, 20210), (1128, 18920), (1290, 16544), (1320, 16168), (1376, 15510), (1410, 15136), (1419, 15040), (1504, 14190), (1551, 13760), (1720, 12408), (1760, 12126), (1880, 11352), (1892, 11280), (2021, 10560), (2064, 10340), (2068, 10320), (2112, 10105), (2256, 9460), (2365, 9024), (2580, 8272), (2585, 8256), (2640, 8084), (2752, 7755), (2820, 7568), (2838, 7520), (3008, 7095), (3102, 6880), (3440, 6204), (3520, 6063), (3760, 5676), (3784, 5640), (4042, 5280), (4128, 5170), (4136, 5160), (4512, 4730)]