21504824

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{7883}}^1$

素因数の和:7931

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 23907016

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 248, 341, 682, 1364, 2728, 7883, 15766, 31532, 63064, 86713, 173426, 244373, 346852, 488746, 693704, 977492, 1954984, 2688103, 5376206, 10752412, 21504824]

約数ペア:

[(1, 21504824), (2, 10752412), (4, 5376206), (8, 2688103), (11, 1954984), (22, 977492), (31, 693704), (44, 488746), (62, 346852), (88, 244373), (124, 173426), (248, 86713), (341, 63064), (682, 31532), (1364, 15766), (2728, 7883)]