21167054080

素因数分解:

$2^8\times 5^1\times {\mathrm{3433}}^1\times {\mathrm{4817}}^1$

素因数の和:8271

約数の個数: 72

約数和(自身を含む): 50727006792

約数和(自身を除く): 29559952712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 3433, 4817, 6866, 9634, 13732, 17165, 19268, 24085, 27464, 34330, 38536, 48170, 54928, 68660, 77072, 96340, 109856, 137320, 154144, 192680, 219712, 274640, 308288, 385360, 439424, 549280, 616576, 770720, 878848, 1098560, 1233152, 1541440, 2197120, 3082880, 4394240, 6165760, 16536761, 33073522, 66147044, 82683805, 132294088, 165367610, 264588176, 330735220, 529176352, 661470440, 1058352704, 1322940880, 2116705408, 2645881760, 4233410816, 5291763520, 10583527040, 21167054080]

約数ペア:

[(1, 21167054080), (2, 10583527040), (4, 5291763520), (5, 4233410816), (8, 2645881760), (10, 2116705408), (16, 1322940880), (20, 1058352704), (32, 661470440), (40, 529176352), (64, 330735220), (80, 264588176), (128, 165367610), (160, 132294088), (256, 82683805), (320, 66147044), (640, 33073522), (1280, 16536761), (3433, 6165760), (4817, 4394240), (6866, 3082880), (9634, 2197120), (13732, 1541440), (17165, 1233152), (19268, 1098560), (24085, 878848), (27464, 770720), (34330, 616576), (38536, 549280), (48170, 439424), (54928, 385360), (68660, 308288), (77072, 274640), (96340, 219712), (109856, 192680), (137320, 154144)]