21863319

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8161}}^1$

素因数の和:8230

約数の個数: 16

約数和(自身を含む): 31342080

約数和(自身を除く): 9478761

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 8161, 24483, 155059, 383567, 465177, 1150701, 7287773, 21863319]

約数ペア:

[(1, 21863319), (3, 7287773), (19, 1150701), (47, 465177), (57, 383567), (141, 155059), (893, 24483), (2679, 8161)]