21738487

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 1848713

約数列:

[1, 29, 41, 47, 389, 1189, 1363, 1927, 11281, 15949, 18283, 55883, 462521, 530207, 749603, 21738487]

約数ペア:

[(1, 21738487), (29, 749603), (41, 530207), (47, 462521), (389, 55883), (1189, 18283), (1363, 15949), (1927, 11281)]