21900208

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{124433}}^1$

素因数の和:124452

約数の個数: 20

約数和(自身を含む): 46289448

約数和(自身を除く): 24389240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 124433, 248866, 497732, 995464, 1368763, 1990928, 2737526, 5475052, 10950104, 21900208]

約数ペア:

[(1, 21900208), (2, 10950104), (4, 5475052), (8, 2737526), (11, 1990928), (16, 1368763), (22, 995464), (44, 497732), (88, 248866), (176, 124433)]