21857888512

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{2082497}}^1$

素因数の和:2082554

約数の個数: 36

約数和(自身を含む): 44694572076

約数和(自身を除く): 22836683564

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2624, 5248, 10496, 2082497, 4164994, 8329988, 16659976, 33319952, 66639904, 85382377, 133279808, 170764754, 266559616, 341529508, 533119232, 683059016, 1366118032, 2732236064, 5464472128, 10928944256, 21857888512]

約数ペア:

[(1, 21857888512), (2, 10928944256), (4, 5464472128), (8, 2732236064), (16, 1366118032), (32, 683059016), (41, 533119232), (64, 341529508), (82, 266559616), (128, 170764754), (164, 133279808), (256, 85382377), (328, 66639904), (656, 33319952), (1312, 16659976), (2624, 8329988), (5248, 4164994), (10496, 2082497)]