21882177

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 34191360

約数和(自身を除く): 12309183

約数列:

[1, 3, 9, 23, 27, 69, 167, 207, 211, 501, 621, 633, 1503, 1899, 3841, 4509, 4853, 5697, 11523, 14559, 34569, 35237, 43677, 103707, 105711, 131031, 317133, 810451, 951399, 2431353, 7294059, 21882177]

約数ペア:

[(1, 21882177), (3, 7294059), (9, 2431353), (23, 951399), (27, 810451), (69, 317133), (167, 131031), (207, 105711), (211, 103707), (501, 43677), (621, 35237), (633, 34569), (1503, 14559), (1899, 11523), (3841, 5697), (4509, 4853)]