21497229

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5927}}^1$

素因数の和:5977

約数の個数: 24

約数和(自身を含む): 34524672

約数和(自身を除く): 13027443

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5927, 17781, 53343, 77051, 183737, 231153, 551211, 693459, 1653633, 2388581, 7165743, 21497229]

約数ペア:

[(1, 21497229), (3, 7165743), (9, 2388581), (13, 1653633), (31, 693459), (39, 551211), (93, 231153), (117, 183737), (279, 77051), (403, 53343), (1209, 17781), (3627, 5927)]