21477543

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8017}}^1$

素因数の和:8086

約数の個数: 16

約数和(自身を含む): 30789120

約数和(自身を除く): 9311577

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 8017, 24051, 152323, 376799, 456969, 1130397, 7159181, 21477543]

約数ペア:

[(1, 21477543), (3, 7159181), (19, 1130397), (47, 456969), (57, 376799), (141, 152323), (893, 24051), (2679, 8017)]