21329307

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{57803}}^1$

素因数の和:57850

約数の個数: 12

約数和(自身を含む): 31560984

約数和(自身を除く): 10231677

約数列:

[1, 3, 9, 41, 123, 369, 57803, 173409, 520227, 2369923, 7109769, 21329307]

約数ペア:

[(1, 21329307), (3, 7109769), (9, 2369923), (41, 520227), (123, 173409), (369, 57803)]