21167139177

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{683}}^1\times {\mathrm{149717}}^1$

素因数の和:150429

約数の個数: 24

約数和(自身を含む): 31951018944

約数和(自身を除く): 10783879767

約数列:

[1, 3, 9, 23, 69, 207, 683, 2049, 6147, 15709, 47127, 141381, 149717, 449151, 1347453, 3443491, 10330473, 30991419, 102256711, 306770133, 920310399, 2351904353, 7055713059, 21167139177]

約数ペア:

[(1, 21167139177), (3, 7055713059), (9, 2351904353), (23, 920310399), (69, 306770133), (207, 102256711), (683, 30991419), (2049, 10330473), (6147, 3443491), (15709, 1347453), (47127, 449151), (141381, 149717)]