21444399

素因数分解:

$3^3\times {\mathrm{503}}^1\times {\mathrm{1579}}^1$

素因数の和:2091

約数の個数: 16

約数和(自身を含む): 31852800

約数和(自身を除く): 10408401

約数列:

[1, 3, 9, 27, 503, 1509, 1579, 4527, 4737, 13581, 14211, 42633, 794237, 2382711, 7148133, 21444399]

約数ペア:

[(1, 21444399), (3, 7148133), (9, 2382711), (27, 794237), (503, 42633), (1509, 14211), (1579, 13581), (4527, 4737)]