21633085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:708

約数の個数: 16

約数和(自身を含む): 26737920

約数和(自身を除く): 5104835

約数列:

[1, 5, 43, 215, 239, 421, 1195, 2105, 10277, 18103, 51385, 90515, 100619, 503095, 4326617, 21633085]

約数ペア:

[(1, 21633085), (5, 4326617), (43, 503095), (215, 100619), (239, 90515), (421, 51385), (1195, 18103), (2105, 10277)]