21331497

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{1733}}^1$

素因数の和:2120

約数の個数: 16

約数和(自身を含む): 31128768

約数和(自身を除く): 9797271

約数列:

[1, 3, 11, 33, 373, 1119, 1733, 4103, 5199, 12309, 19063, 57189, 646409, 1939227, 7110499, 21331497]

約数ペア:

[(1, 21331497), (3, 7110499), (11, 1939227), (33, 646409), (373, 57189), (1119, 19063), (1733, 12309), (4103, 5199)]