21611121

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19417}}^1$

素因数の和:19480

約数の個数: 16

約数和(自身を含む): 33554304

約数和(自身を除く): 11943183

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 19417, 58251, 135919, 407757, 1029101, 3087303, 7203707, 21611121]

約数ペア:

[(1, 21611121), (3, 7203707), (7, 3087303), (21, 1029101), (53, 407757), (159, 135919), (371, 58251), (1113, 19417)]