21777952

素因数分解:

$2^5\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 56881440

約数和(自身を除く): 35103488

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 43, 49, 56, 68, 76, 86, 98, 112, 119, 133, 136, 152, 172, 196, 224, 238, 266, 272, 301, 304, 323, 344, 392, 476, 532, 544, 602, 608, 646, 688, 731, 784, 817, 833, 931, 952, 1064, 1204, 1292, 1376, 1462, 1568, 1634, 1666, 1862, 1904, 2107, 2128, 2261, 2408, 2584, 2924, 3268, 3332, 3724, 3808, 4214, 4256, 4522, 4816, 5117, 5168, 5719, 5848, 6536, 6664, 7448, 8428, 9044, 9632, 10234, 10336, 11438, 11696, 13072, 13328, 13889, 14896, 15827, 16856, 18088, 20468, 22876, 23392, 26144, 26656, 27778, 29792, 31654, 33712, 35819, 36176, 40033, 40936, 45752, 55556, 63308, 67424, 71638, 72352, 80066, 81872, 91504, 97223, 111112, 126616, 143276, 160132, 163744, 183008, 194446, 222224, 253232, 286552, 320264, 388892, 444448, 506464, 573104, 640528, 680561, 777784, 1146208, 1281056, 1361122, 1555568, 2722244, 3111136, 5444488, 10888976, 21777952]

約数ペア:

[(1, 21777952), (2, 10888976), (4, 5444488), (7, 3111136), (8, 2722244), (14, 1555568), (16, 1361122), (17, 1281056), (19, 1146208), (28, 777784), (32, 680561), (34, 640528), (38, 573104), (43, 506464), (49, 444448), (56, 388892), (68, 320264), (76, 286552), (86, 253232), (98, 222224), (112, 194446), (119, 183008), (133, 163744), (136, 160132), (152, 143276), (172, 126616), (196, 111112), (224, 97223), (238, 91504), (266, 81872), (272, 80066), (301, 72352), (304, 71638), (323, 67424), (344, 63308), (392, 55556), (476, 45752), (532, 40936), (544, 40033), (602, 36176), (608, 35819), (646, 33712), (688, 31654), (731, 29792), (784, 27778), (817, 26656), (833, 26144), (931, 23392), (952, 22876), (1064, 20468), (1204, 18088), (1292, 16856), (1376, 15827), (1462, 14896), (1568, 13889), (1634, 13328), (1666, 13072), (1862, 11696), (1904, 11438), (2107, 10336), (2128, 10234), (2261, 9632), (2408, 9044), (2584, 8428), (2924, 7448), (3268, 6664), (3332, 6536), (3724, 5848), (3808, 5719), (4214, 5168), (4256, 5117), (4522, 4816)]