21041668864

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1481}}^1$

素因数の和:1666

約数の個数: 144

約数和(自身を含む): 46528634880

約数和(自身を除く): 25486966016

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 127, 128, 152, 184, 254, 256, 304, 368, 437, 508, 608, 736, 874, 1016, 1216, 1472, 1481, 1748, 2032, 2413, 2432, 2921, 2944, 2962, 3496, 4064, 4826, 4864, 5842, 5888, 5924, 6992, 8128, 9652, 11684, 11848, 13984, 16256, 19304, 23368, 23696, 27968, 28139, 32512, 34063, 38608, 46736, 47392, 55499, 55936, 56278, 68126, 77216, 93472, 94784, 110998, 111872, 112556, 136252, 154432, 186944, 188087, 189568, 221996, 225112, 272504, 308864, 373888, 376174, 379136, 443992, 450224, 545008, 617728, 647197, 747776, 752348, 887984, 900448, 1090016, 1294394, 1504696, 1775968, 1800896, 2180032, 2588788, 3009392, 3551936, 3573653, 3601792, 4326001, 4360064, 5177576, 6018784, 7103872, 7147306, 7203584, 8652002, 8720128, 10355152, 12037568, 14207744, 14294612, 17304004, 20710304, 24075136, 28589224, 34608008, 41420608, 48150272, 57178448, 69216016, 82194019, 82841216, 114356896, 138432032, 164388038, 165682432, 228713792, 276864064, 328776076, 457427584, 553728128, 657552152, 914855168, 1107456256, 1315104304, 2630208608, 5260417216, 10520834432, 21041668864]

約数ペア:

[(1, 21041668864), (2, 10520834432), (4, 5260417216), (8, 2630208608), (16, 1315104304), (19, 1107456256), (23, 914855168), (32, 657552152), (38, 553728128), (46, 457427584), (64, 328776076), (76, 276864064), (92, 228713792), (127, 165682432), (128, 164388038), (152, 138432032), (184, 114356896), (254, 82841216), (256, 82194019), (304, 69216016), (368, 57178448), (437, 48150272), (508, 41420608), (608, 34608008), (736, 28589224), (874, 24075136), (1016, 20710304), (1216, 17304004), (1472, 14294612), (1481, 14207744), (1748, 12037568), (2032, 10355152), (2413, 8720128), (2432, 8652002), (2921, 7203584), (2944, 7147306), (2962, 7103872), (3496, 6018784), (4064, 5177576), (4826, 4360064), (4864, 4326001), (5842, 3601792), (5888, 3573653), (5924, 3551936), (6992, 3009392), (8128, 2588788), (9652, 2180032), (11684, 1800896), (11848, 1775968), (13984, 1504696), (16256, 1294394), (19304, 1090016), (23368, 900448), (23696, 887984), (27968, 752348), (28139, 747776), (32512, 647197), (34063, 617728), (38608, 545008), (46736, 450224), (47392, 443992), (55499, 379136), (55936, 376174), (56278, 373888), (68126, 308864), (77216, 272504), (93472, 225112), (94784, 221996), (110998, 189568), (111872, 188087), (112556, 186944), (136252, 154432)]