21846784

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 36

約数和(自身を含む): 44354800

約数和(自身を除く): 22508016

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 976, 1399, 1952, 2798, 3904, 5596, 7808, 11192, 15616, 22384, 44768, 85339, 89536, 170678, 179072, 341356, 358144, 682712, 1365424, 2730848, 5461696, 10923392, 21846784]

約数ペア:

[(1, 21846784), (2, 10923392), (4, 5461696), (8, 2730848), (16, 1365424), (32, 682712), (61, 358144), (64, 341356), (122, 179072), (128, 170678), (244, 89536), (256, 85339), (488, 44768), (976, 22384), (1399, 15616), (1952, 11192), (2798, 7808), (3904, 5596)]