21072744

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1$

素因数の和:221

約数の個数: 192

約数和(自身を含む): 74692800

約数和(自身を除く): 53620056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 49, 54, 56, 63, 66, 72, 77, 84, 88, 98, 99, 108, 126, 132, 147, 154, 168, 181, 189, 196, 198, 216, 231, 252, 264, 294, 297, 308, 362, 378, 392, 396, 441, 462, 504, 539, 543, 588, 594, 616, 693, 724, 756, 792, 882, 924, 1078, 1086, 1176, 1188, 1267, 1323, 1386, 1448, 1512, 1617, 1629, 1764, 1848, 1991, 2079, 2156, 2172, 2376, 2534, 2646, 2772, 3234, 3258, 3528, 3801, 3982, 4158, 4312, 4344, 4851, 4887, 5068, 5292, 5544, 5973, 6468, 6516, 7602, 7964, 8316, 8869, 9702, 9774, 10136, 10584, 11403, 11946, 12936, 13032, 13937, 14553, 15204, 15928, 16632, 17738, 17919, 19404, 19548, 22806, 23892, 26607, 27874, 29106, 30408, 34209, 35476, 35838, 38808, 39096, 41811, 45612, 47784, 53214, 53757, 55748, 58212, 68418, 70952, 71676, 79821, 83622, 91224, 97559, 106428, 107514, 111496, 116424, 125433, 136836, 143352, 159642, 167244, 195118, 212856, 215028, 239463, 250866, 273672, 292677, 319284, 334488, 376299, 390236, 430056, 478926, 501732, 585354, 638568, 752598, 780472, 878031, 957852, 1003464, 1170708, 1505196, 1756062, 1915704, 2341416, 2634093, 3010392, 3512124, 5268186, 7024248, 10536372, 21072744]

約数ペア:

[(1, 21072744), (2, 10536372), (3, 7024248), (4, 5268186), (6, 3512124), (7, 3010392), (8, 2634093), (9, 2341416), (11, 1915704), (12, 1756062), (14, 1505196), (18, 1170708), (21, 1003464), (22, 957852), (24, 878031), (27, 780472), (28, 752598), (33, 638568), (36, 585354), (42, 501732), (44, 478926), (49, 430056), (54, 390236), (56, 376299), (63, 334488), (66, 319284), (72, 292677), (77, 273672), (84, 250866), (88, 239463), (98, 215028), (99, 212856), (108, 195118), (126, 167244), (132, 159642), (147, 143352), (154, 136836), (168, 125433), (181, 116424), (189, 111496), (196, 107514), (198, 106428), (216, 97559), (231, 91224), (252, 83622), (264, 79821), (294, 71676), (297, 70952), (308, 68418), (362, 58212), (378, 55748), (392, 53757), (396, 53214), (441, 47784), (462, 45612), (504, 41811), (539, 39096), (543, 38808), (588, 35838), (594, 35476), (616, 34209), (693, 30408), (724, 29106), (756, 27874), (792, 26607), (882, 23892), (924, 22806), (1078, 19548), (1086, 19404), (1176, 17919), (1188, 17738), (1267, 16632), (1323, 15928), (1386, 15204), (1448, 14553), (1512, 13937), (1617, 13032), (1629, 12936), (1764, 11946), (1848, 11403), (1991, 10584), (2079, 10136), (2156, 9774), (2172, 9702), (2376, 8869), (2534, 8316), (2646, 7964), (2772, 7602), (3234, 6516), (3258, 6468), (3528, 5973), (3801, 5544), (3982, 5292), (4158, 5068), (4312, 4887), (4344, 4851)]