21077348528

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1\times {\mathrm{1033}}^1$

素因数の和:1762

約数の個数: 80

約数和(自身を含む): 42785166336

約数和(自身を除く): 21707817808

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 631, 688, 752, 1033, 1262, 2021, 2066, 2524, 4042, 4132, 5048, 8084, 8264, 10096, 16168, 16528, 27133, 29657, 32336, 44419, 48551, 54266, 59314, 88838, 97102, 108532, 118628, 177676, 194204, 217064, 237256, 355352, 388408, 434128, 474512, 651823, 710704, 776816, 1275251, 1303646, 2087693, 2550502, 2607292, 4175386, 5101004, 5214584, 8350772, 10202008, 10429168, 16701544, 20404016, 28028389, 30635681, 33403088, 56056778, 61271362, 112113556, 122542724, 224227112, 245085448, 448454224, 490170896, 1317334283, 2634668566, 5269337132, 10538674264, 21077348528]

約数ペア:

[(1, 21077348528), (2, 10538674264), (4, 5269337132), (8, 2634668566), (16, 1317334283), (43, 490170896), (47, 448454224), (86, 245085448), (94, 224227112), (172, 122542724), (188, 112113556), (344, 61271362), (376, 56056778), (631, 33403088), (688, 30635681), (752, 28028389), (1033, 20404016), (1262, 16701544), (2021, 10429168), (2066, 10202008), (2524, 8350772), (4042, 5214584), (4132, 5101004), (5048, 4175386), (8084, 2607292), (8264, 2550502), (10096, 2087693), (16168, 1303646), (16528, 1275251), (27133, 776816), (29657, 710704), (32336, 651823), (44419, 474512), (48551, 434128), (54266, 388408), (59314, 355352), (88838, 237256), (97102, 217064), (108532, 194204), (118628, 177676)]