21877911

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3916

約数の個数: 32

約数和(自身を含む): 37228800

約数和(自身を除く): 15350889

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3877, 5643, 11631, 34893, 42647, 73663, 104679, 127941, 220989, 383823, 662967, 810293, 1151469, 1988901, 2430879, 7292637, 21877911]

約数ペア:

[(1, 21877911), (3, 7292637), (9, 2430879), (11, 1988901), (19, 1151469), (27, 810293), (33, 662967), (57, 383823), (99, 220989), (171, 127941), (209, 104679), (297, 73663), (513, 42647), (627, 34893), (1881, 11631), (3877, 5643)]