21076672

素因数分解:

$2^6\times {\mathrm{509}}^1\times {\mathrm{647}}^1$

素因数の和:1168

約数の個数: 28

約数和(自身を含む): 41970960

約数和(自身を除く): 20894288

約数列:

[1, 2, 4, 8, 16, 32, 64, 509, 647, 1018, 1294, 2036, 2588, 4072, 5176, 8144, 10352, 16288, 20704, 32576, 41408, 329323, 658646, 1317292, 2634584, 5269168, 10538336, 21076672]

約数ペア:

[(1, 21076672), (2, 10538336), (4, 5269168), (8, 2634584), (16, 1317292), (32, 658646), (64, 329323), (509, 41408), (647, 32576), (1018, 20704), (1294, 16288), (2036, 10352), (2588, 8144), (4072, 5176)]