21153429

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2927}}^1$

素因数の和:3017

約数の個数: 24

約数和(自身を含む): 33800832

約数和(自身を除く): 12647403

約数列:

[1, 3, 9, 11, 33, 73, 99, 219, 657, 803, 2409, 2927, 7227, 8781, 26343, 32197, 96591, 213671, 289773, 641013, 1923039, 2350381, 7051143, 21153429]

約数ペア:

[(1, 21153429), (3, 7051143), (9, 2350381), (11, 1923039), (33, 641013), (73, 289773), (99, 213671), (219, 96591), (657, 32197), (803, 26343), (2409, 8781), (2927, 7227)]