21149392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120167}}^1$

素因数の和:120186

約数の個数: 20

約数和(自身を含む): 44702496

約数和(自身を除く): 23553104

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120167, 240334, 480668, 961336, 1321837, 1922672, 2643674, 5287348, 10574696, 21149392]

約数ペア:

[(1, 21149392), (2, 10574696), (4, 5287348), (8, 2643674), (11, 1922672), (16, 1321837), (22, 961336), (44, 480668), (88, 240334), (176, 120167)]