21167903056

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{13397}}^1$

素因数の和:13616

約数の個数: 80

約数和(自身を含む): 44886408336

約数和(自身を除く): 23718505280

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 157, 272, 296, 314, 592, 628, 629, 1256, 1258, 2512, 2516, 2669, 5032, 5338, 5809, 10064, 10676, 11618, 13397, 21352, 23236, 26794, 42704, 46472, 53588, 92944, 98753, 107176, 197506, 214352, 227749, 395012, 455498, 495689, 790024, 910996, 991378, 1580048, 1821992, 1982756, 2103329, 3643984, 3965512, 4206658, 7931024, 8413316, 8426713, 16826632, 16853426, 33653264, 33706852, 35756593, 67413704, 71513186, 77823173, 134827408, 143026372, 155646346, 286052744, 311292692, 572105488, 622585384, 1245170768, 1322993941, 2645987882, 5291975764, 10583951528, 21167903056]

約数ペア:

[(1, 21167903056), (2, 10583951528), (4, 5291975764), (8, 2645987882), (16, 1322993941), (17, 1245170768), (34, 622585384), (37, 572105488), (68, 311292692), (74, 286052744), (136, 155646346), (148, 143026372), (157, 134827408), (272, 77823173), (296, 71513186), (314, 67413704), (592, 35756593), (628, 33706852), (629, 33653264), (1256, 16853426), (1258, 16826632), (2512, 8426713), (2516, 8413316), (2669, 7931024), (5032, 4206658), (5338, 3965512), (5809, 3643984), (10064, 2103329), (10676, 1982756), (11618, 1821992), (13397, 1580048), (21352, 991378), (23236, 910996), (26794, 790024), (42704, 495689), (46472, 455498), (53588, 395012), (92944, 227749), (98753, 214352), (107176, 197506)]