12921188

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8707}}^1$

素因数の和:8771

約数の個数: 24

約数和(自身を含む): 26332992

約数和(自身を除く): 13411804

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 8707, 17414, 34828, 60949, 121898, 243796, 461471, 922942, 1845884, 3230297, 6460594, 12921188]

約数ペア:

[(1, 12921188), (2, 6460594), (4, 3230297), (7, 1845884), (14, 922942), (28, 461471), (53, 243796), (106, 121898), (212, 60949), (371, 34828), (742, 17414), (1484, 8707)]