21125234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^2\times {\mathrm{181}}^1$

素因数の和:330

約数の個数: 24

約数和(自身を含む): 34833708

約数和(自身を除く): 13708474

約数列:

[1, 2, 13, 26, 67, 134, 181, 362, 871, 1742, 2353, 4489, 4706, 8978, 12127, 24254, 58357, 116714, 157651, 315302, 812509, 1625018, 10562617, 21125234]

約数ペア:

[(1, 21125234), (2, 10562617), (13, 1625018), (26, 812509), (67, 315302), (134, 157651), (181, 116714), (362, 58357), (871, 24254), (1742, 12127), (2353, 8978), (4489, 4706)]