21319827

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{5237}}^1$

素因数の和:5322

約数の個数: 16

約数和(自身を含む): 30170880

約数和(自身を除く): 8851053

約数列:

[1, 3, 23, 59, 69, 177, 1357, 4071, 5237, 15711, 120451, 308983, 361353, 926949, 7106609, 21319827]

約数ペア:

[(1, 21319827), (3, 7106609), (23, 926949), (59, 361353), (69, 308983), (177, 120451), (1357, 15711), (4071, 5237)]