21728583

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2837}}^1$

素因数の和:2903

約数の個数: 24

約数和(自身を含む): 33647328

約数和(自身を除く): 11918745

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 2837, 7659, 8511, 25533, 65251, 104969, 195753, 314907, 587259, 944721, 2414287, 7242861, 21728583]

約数ペア:

[(1, 21728583), (3, 7242861), (9, 2414287), (23, 944721), (37, 587259), (69, 314907), (111, 195753), (207, 104969), (333, 65251), (851, 25533), (2553, 8511), (2837, 7659)]