21433665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129901}}^1$

素因数の和:129920

約数の個数: 16

約数和(自身を含む): 37411776

約数和(自身を除く): 15978111

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 129901, 389703, 649505, 1428911, 1948515, 4286733, 7144555, 21433665]

約数ペア:

[(1, 21433665), (3, 7144555), (5, 4286733), (11, 1948515), (15, 1428911), (33, 649505), (55, 389703), (165, 129901)]