21578832

素因数分解:

$2^4\times 3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 49845168

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 19, 22, 24, 27, 33, 36, 38, 44, 48, 54, 57, 66, 72, 76, 88, 99, 108, 114, 132, 144, 152, 171, 176, 198, 209, 216, 228, 239, 264, 297, 304, 342, 396, 418, 432, 456, 478, 513, 528, 594, 627, 684, 717, 792, 836, 912, 956, 1026, 1188, 1254, 1368, 1434, 1584, 1672, 1881, 1912, 2052, 2151, 2376, 2508, 2629, 2736, 2868, 3344, 3762, 3824, 4104, 4302, 4541, 4752, 5016, 5258, 5643, 5736, 6453, 7524, 7887, 8208, 8604, 9082, 10032, 10516, 11286, 11472, 12906, 13623, 15048, 15774, 17208, 18164, 21032, 22572, 23661, 25812, 27246, 30096, 31548, 34416, 36328, 40869, 42064, 45144, 47322, 49951, 51624, 54492, 63096, 70983, 72656, 81738, 90288, 94644, 99902, 103248, 108984, 122607, 126192, 141966, 149853, 163476, 189288, 199804, 217968, 245214, 283932, 299706, 326952, 378576, 399608, 449559, 490428, 567864, 599412, 653904, 799216, 899118, 980856, 1135728, 1198824, 1348677, 1798236, 1961712, 2397648, 2697354, 3596472, 5394708, 7192944, 10789416, 21578832]

約数ペア:

[(1, 21578832), (2, 10789416), (3, 7192944), (4, 5394708), (6, 3596472), (8, 2697354), (9, 2397648), (11, 1961712), (12, 1798236), (16, 1348677), (18, 1198824), (19, 1135728), (22, 980856), (24, 899118), (27, 799216), (33, 653904), (36, 599412), (38, 567864), (44, 490428), (48, 449559), (54, 399608), (57, 378576), (66, 326952), (72, 299706), (76, 283932), (88, 245214), (99, 217968), (108, 199804), (114, 189288), (132, 163476), (144, 149853), (152, 141966), (171, 126192), (176, 122607), (198, 108984), (209, 103248), (216, 99902), (228, 94644), (239, 90288), (264, 81738), (297, 72656), (304, 70983), (342, 63096), (396, 54492), (418, 51624), (432, 49951), (456, 47322), (478, 45144), (513, 42064), (528, 40869), (594, 36328), (627, 34416), (684, 31548), (717, 30096), (792, 27246), (836, 25812), (912, 23661), (956, 22572), (1026, 21032), (1188, 18164), (1254, 17208), (1368, 15774), (1434, 15048), (1584, 13623), (1672, 12906), (1881, 11472), (1912, 11286), (2052, 10516), (2151, 10032), (2376, 9082), (2508, 8604), (2629, 8208), (2736, 7887), (2868, 7524), (3344, 6453), (3762, 5736), (3824, 5643), (4104, 5258), (4302, 5016), (4541, 4752)]