21158144

素因数分解:

$2^8\times 7^1\times {\mathrm{11807}}^1$

素因数の和:11830

約数の個数: 36

約数和(自身を含む): 48271104

約数和(自身を除く): 27112960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11807, 23614, 47228, 82649, 94456, 165298, 188912, 330596, 377824, 661192, 755648, 1322384, 1511296, 2644768, 3022592, 5289536, 10579072, 21158144]

約数ペア:

[(1, 21158144), (2, 10579072), (4, 5289536), (7, 3022592), (8, 2644768), (14, 1511296), (16, 1322384), (28, 755648), (32, 661192), (56, 377824), (64, 330596), (112, 188912), (128, 165298), (224, 94456), (256, 82649), (448, 47228), (896, 23614), (1792, 11807)]