21495952

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25349}}^1$

素因数の和:25410

約数の個数: 20

約数和(自身を含む): 42435900

約数和(自身を除く): 20939948

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25349, 50698, 101396, 202792, 405584, 1343497, 2686994, 5373988, 10747976, 21495952]

約数ペア:

[(1, 21495952), (2, 10747976), (4, 5373988), (8, 2686994), (16, 1343497), (53, 405584), (106, 202792), (212, 101396), (424, 50698), (848, 25349)]