21234741

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13691}}^1$

素因数の和:13752

約数の個数: 16

約数和(自身を含む): 31546368

約数和(自身を除く): 10311627

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13691, 41073, 150601, 451803, 643477, 1930431, 7078247, 21234741]

約数ペア:

[(1, 21234741), (3, 7078247), (11, 1930431), (33, 643477), (47, 451803), (141, 150601), (517, 41073), (1551, 13691)]