21049941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10457}}^1$

素因数の和:10532

約数の個数: 16

約数和(自身を含む): 31123008

約数和(自身を除く): 10073067

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10457, 31371, 115027, 345081, 637877, 1913631, 7016647, 21049941]

約数ペア:

[(1, 21049941), (3, 7016647), (11, 1913631), (33, 637877), (61, 345081), (183, 115027), (671, 31371), (2013, 10457)]