21064446

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90019}}^1$

素因数の和:90040

約数の個数: 24

約数和(自身を含む): 49150920

約数和(自身を除く): 28086474

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90019, 180038, 270057, 540114, 810171, 1170247, 1620342, 2340494, 3510741, 7021482, 10532223, 21064446]

約数ペア:

[(1, 21064446), (2, 10532223), (3, 7021482), (6, 3510741), (9, 2340494), (13, 1620342), (18, 1170247), (26, 810171), (39, 540114), (78, 270057), (117, 180038), (234, 90019)]