21105173666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{825259}}^1$

素因数の和:825953

約数の個数: 16

約数和(自身を含む): 33373514400

約数和(自身を除く): 12268340734

約数列:

[1, 2, 19, 38, 673, 1346, 12787, 25574, 825259, 1650518, 15679921, 31359842, 555399307, 1110798614, 10552586833, 21105173666]

約数ペア:

[(1, 21105173666), (2, 10552586833), (19, 1110798614), (38, 555399307), (673, 31359842), (1346, 15679921), (12787, 1650518), (25574, 825259)]