21049514

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3671}}^1$

素因数の和:3781

約数の個数: 16

約数和(自身を含む): 32783616

約数和(自身を除く): 11734102

約数列:

[1, 2, 47, 61, 94, 122, 2867, 3671, 5734, 7342, 172537, 223931, 345074, 447862, 10524757, 21049514]

約数ペア:

[(1, 21049514), (2, 10524757), (47, 447862), (61, 345074), (94, 223931), (122, 172537), (2867, 7342), (3671, 5734)]