21255168

素因数分解:

$2^{10}\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:88

約数の個数: 176

約数和(自身を含む): 67207104

約数和(自身を除く): 45951936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 17, 22, 24, 32, 33, 34, 37, 44, 48, 51, 64, 66, 68, 74, 88, 96, 102, 111, 128, 132, 136, 148, 176, 187, 192, 204, 222, 256, 264, 272, 296, 352, 374, 384, 407, 408, 444, 512, 528, 544, 561, 592, 629, 704, 748, 768, 814, 816, 888, 1024, 1056, 1088, 1122, 1184, 1221, 1258, 1408, 1496, 1536, 1628, 1632, 1776, 1887, 2112, 2176, 2244, 2368, 2442, 2516, 2816, 2992, 3072, 3256, 3264, 3552, 3774, 4224, 4352, 4488, 4736, 4884, 5032, 5632, 5984, 6512, 6528, 6919, 7104, 7548, 8448, 8704, 8976, 9472, 9768, 10064, 11264, 11968, 13024, 13056, 13838, 14208, 15096, 16896, 17408, 17952, 18944, 19536, 20128, 20757, 23936, 26048, 26112, 27676, 28416, 30192, 33792, 35904, 37888, 39072, 40256, 41514, 47872, 52096, 52224, 55352, 56832, 60384, 71808, 78144, 80512, 83028, 95744, 104192, 110704, 113664, 120768, 143616, 156288, 161024, 166056, 191488, 208384, 221408, 241536, 287232, 312576, 322048, 332112, 416768, 442816, 483072, 574464, 625152, 644096, 664224, 885632, 966144, 1250304, 1328448, 1771264, 1932288, 2656896, 3542528, 5313792, 7085056, 10627584, 21255168]

約数ペア:

[(1, 21255168), (2, 10627584), (3, 7085056), (4, 5313792), (6, 3542528), (8, 2656896), (11, 1932288), (12, 1771264), (16, 1328448), (17, 1250304), (22, 966144), (24, 885632), (32, 664224), (33, 644096), (34, 625152), (37, 574464), (44, 483072), (48, 442816), (51, 416768), (64, 332112), (66, 322048), (68, 312576), (74, 287232), (88, 241536), (96, 221408), (102, 208384), (111, 191488), (128, 166056), (132, 161024), (136, 156288), (148, 143616), (176, 120768), (187, 113664), (192, 110704), (204, 104192), (222, 95744), (256, 83028), (264, 80512), (272, 78144), (296, 71808), (352, 60384), (374, 56832), (384, 55352), (407, 52224), (408, 52096), (444, 47872), (512, 41514), (528, 40256), (544, 39072), (561, 37888), (592, 35904), (629, 33792), (704, 30192), (748, 28416), (768, 27676), (814, 26112), (816, 26048), (888, 23936), (1024, 20757), (1056, 20128), (1088, 19536), (1122, 18944), (1184, 17952), (1221, 17408), (1258, 16896), (1408, 15096), (1496, 14208), (1536, 13838), (1628, 13056), (1632, 13024), (1776, 11968), (1887, 11264), (2112, 10064), (2176, 9768), (2244, 9472), (2368, 8976), (2442, 8704), (2516, 8448), (2816, 7548), (2992, 7104), (3072, 6919), (3256, 6528), (3264, 6512), (3552, 5984), (3774, 5632), (4224, 5032), (4352, 4884), (4488, 4736)]