21383733

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{16693}}^1$

素因数の和:16764

約数の個数: 16

約数和(自身を含む): 33120896

約数和(自身を除く): 11737163

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 16693, 50079, 116851, 350553, 1018273, 3054819, 7127911, 21383733]

約数ペア:

[(1, 21383733), (3, 7127911), (7, 3054819), (21, 1018273), (61, 350553), (183, 116851), (427, 50079), (1281, 16693)]