21304936

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{317}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 41518080

約数和(自身を除く): 20213144

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 271, 317, 542, 634, 1084, 1268, 2168, 2536, 8401, 9827, 16802, 19654, 33604, 39308, 67208, 78616, 85907, 171814, 343628, 687256, 2663117, 5326234, 10652468, 21304936]

約数ペア:

[(1, 21304936), (2, 10652468), (4, 5326234), (8, 2663117), (31, 687256), (62, 343628), (124, 171814), (248, 85907), (271, 78616), (317, 67208), (542, 39308), (634, 33604), (1084, 19654), (1268, 16802), (2168, 9827), (2536, 8401)]