21655773

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2399}}^1$

素因数の和:2481

約数の個数: 24

約数和(自身を含む): 33696000

約数和(自身を除く): 12040227

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 2399, 3009, 7197, 9027, 21591, 40783, 122349, 141541, 367047, 424623, 1273869, 2406197, 7218591, 21655773]

約数ペア:

[(1, 21655773), (3, 7218591), (9, 2406197), (17, 1273869), (51, 424623), (59, 367047), (153, 141541), (177, 122349), (531, 40783), (1003, 21591), (2399, 9027), (3009, 7197)]