21023794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41549}}^1$

素因数の和:41585

約数の個数: 16

約数和(自身を含む): 35899200

約数和(自身を除く): 14875406

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 41549, 83098, 457039, 914078, 955627, 1911254, 10511897, 21023794]

約数ペア:

[(1, 21023794), (2, 10511897), (11, 1911254), (22, 955627), (23, 914078), (46, 457039), (253, 83098), (506, 41549)]