21918039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2735

約数の個数: 32

約数和(自身を含む): 36153600

約数和(自身を除く): 14235561

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2689, 2717, 8067, 8151, 29579, 34957, 51091, 88737, 104871, 153273, 384527, 562001, 664183, 1153581, 1686003, 1992549, 7306013, 21918039]

約数ペア:

[(1, 21918039), (3, 7306013), (11, 1992549), (13, 1686003), (19, 1153581), (33, 664183), (39, 562001), (57, 384527), (143, 153273), (209, 104871), (247, 88737), (429, 51091), (627, 34957), (741, 29579), (2689, 8151), (2717, 8067)]