21332206

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20873}}^1$

素因数の和:20955

約数の個数: 16

約数和(自身を含む): 37072224

約数和(自身を除く): 15740018

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 20873, 41746, 146111, 292222, 1523729, 3047458, 10666103, 21332206]

約数ペア:

[(1, 21332206), (2, 10666103), (7, 3047458), (14, 1523729), (73, 292222), (146, 146111), (511, 41746), (1022, 20873)]