21048938

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{1609}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 32766720

約数和(自身を除く): 11717782

約数列:

[1, 2, 31, 62, 211, 422, 1609, 3218, 6541, 13082, 49879, 99758, 339499, 678998, 10524469, 21048938]

約数ペア:

[(1, 21048938), (2, 10524469), (31, 678998), (62, 339499), (211, 99758), (422, 49879), (1609, 13082), (3218, 6541)]