21140349

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1584

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 7890051

約数列:

[1, 3, 59, 83, 177, 249, 1439, 4317, 4897, 14691, 84901, 119437, 254703, 358311, 7046783, 21140349]

約数ペア:

[(1, 21140349), (3, 7046783), (59, 358311), (83, 254703), (177, 119437), (249, 84901), (1439, 14691), (4317, 4897)]