21772953

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 32248320

約数和(自身を除く): 10475367

約数列:

[1, 3, 9, 79, 113, 237, 271, 339, 711, 813, 1017, 2439, 8927, 21409, 26781, 30623, 64227, 80343, 91869, 192681, 275607, 2419217, 7257651, 21772953]

約数ペア:

[(1, 21772953), (3, 7257651), (9, 2419217), (79, 275607), (113, 192681), (237, 91869), (271, 80343), (339, 64227), (711, 30623), (813, 26781), (1017, 21409), (2439, 8927)]