21262911

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{773}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 29090016

約数和(自身を除く): 7827105

約数列:

[1, 3, 53, 159, 173, 519, 773, 2319, 9169, 27507, 40969, 122907, 133729, 401187, 7087637, 21262911]

約数ペア:

[(1, 21262911), (3, 7087637), (53, 401187), (159, 133729), (173, 122907), (519, 40969), (773, 27507), (2319, 9169)]