21908577

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6301}}^1$

素因数の和:6384

約数の個数: 16

約数和(自身を含む): 31257920

約数和(自身を除く): 9349343

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6301, 18903, 119719, 359157, 384361, 1153083, 7302859, 21908577]

約数ペア:

[(1, 21908577), (3, 7302859), (19, 1153083), (57, 384361), (61, 359157), (183, 119719), (1159, 18903), (3477, 6301)]