21141236160

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:198

約数の個数: 1008

約数和(自身を含む): 87692666880

約数和(自身を除く): 66551430720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 31, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 62, 64, 66, 72, 76, 80, 88, 90, 93, 95, 96, 99, 103, 110, 114, 120, 121, 124, 132, 144, 152, 155, 160, 165, 171, 176, 180, 186, 190, 192, 198, 206, 209, 220, 228, 240, 242, 248, 264, 279, 285, 288, 304, 309, 310, 320, 330, 341, 342, 352, 360, 363, 372, 380, 396, 412, 418, 440, 456, 465, 480, 484, 495, 496, 515, 528, 558, 570, 576, 589, 605, 608, 618, 620, 627, 660, 682, 684, 704, 720, 726, 744, 760, 792, 824, 836, 855, 880, 912, 927, 930, 960, 968, 990, 992, 1023, 1030, 1045, 1056, 1089, 1116, 1133, 1140, 1178, 1210, 1216, 1236, 1240, 1254, 1320, 1364, 1368, 1395, 1440, 1452, 1488, 1520, 1545, 1584, 1648, 1672, 1705, 1710, 1760, 1767, 1815, 1824, 1854, 1860, 1881, 1936, 1957, 1980, 1984, 2046, 2060, 2090, 2112, 2178, 2232, 2266, 2280, 2299, 2356, 2420, 2472, 2480, 2508, 2640, 2728, 2736, 2790, 2880, 2904, 2945, 2976, 3040, 3069, 3090, 3135, 3168, 3193, 3296, 3344, 3399, 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約数ペア:

[(1, 21141236160), (2, 10570618080), (3, 7047078720), (4, 5285309040), (5, 4228247232), (6, 3523539360), (8, 2642654520), (9, 2349026240), (10, 2114123616), (11, 1921930560), (12, 1761769680), (15, 1409415744), (16, 1321327260), (18, 1174513120), (19, 1112696640), (20, 1057061808), (22, 960965280), (24, 880884840), (30, 704707872), (31, 681975360), (32, 660663630), (33, 640643520), (36, 587256560), (38, 556348320), (40, 528530904), (44, 480482640), (45, 469805248), (48, 440442420), (55, 384386112), (57, 370898880), (60, 352353936), (62, 340987680), (64, 330331815), (66, 320321760), (72, 293628280), (76, 278174160), (80, 264265452), (88, 240241320), (90, 234902624), (93, 227325120), (95, 222539328), (96, 220221210), (99, 213547840), (103, 205254720), (110, 192193056), (114, 185449440), (120, 176176968), (121, 174720960), (124, 170493840), (132, 160160880), (144, 146814140), (152, 139087080), (155, 136395072), (160, 132132726), (165, 128128704), (171, 123632960), (176, 120120660), (180, 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