21194877

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{10529}}^1$

素因数の和:10604

約数の個数: 16

約数和(自身を含む): 31337280

約数和(自身を除く): 10142403

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 10529, 31587, 115819, 347457, 642269, 1926807, 7064959, 21194877]

約数ペア:

[(1, 21194877), (3, 7064959), (11, 1926807), (33, 642269), (61, 347457), (183, 115819), (671, 31587), (2013, 10529)]