21149816

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91163}}^1$

素因数の和:91198

約数の個数: 16

約数和(自身を含む): 41023800

約数和(自身を除く): 19873984

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91163, 182326, 364652, 729304, 2643727, 5287454, 10574908, 21149816]

約数ペア:

[(1, 21149816), (2, 10574908), (4, 5287454), (8, 2643727), (29, 729304), (58, 364652), (116, 182326), (232, 91163)]