21036104

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 40995840

約数和(自身を除く): 19959736

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 271, 313, 542, 626, 1084, 1252, 2168, 2504, 8401, 9703, 16802, 19406, 33604, 38812, 67208, 77624, 84823, 169646, 339292, 678584, 2629513, 5259026, 10518052, 21036104]

約数ペア:

[(1, 21036104), (2, 10518052), (4, 5259026), (8, 2629513), (31, 678584), (62, 339292), (124, 169646), (248, 84823), (271, 77624), (313, 67208), (542, 38812), (626, 33604), (1084, 19406), (1252, 16802), (2168, 9703), (2504, 8401)]