21800547

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{827}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 32937840

約数和(自身を除く): 11137293

約数列:

[1, 3, 9, 29, 87, 101, 261, 303, 827, 909, 2481, 2929, 7443, 8787, 23983, 26361, 71949, 83527, 215847, 250581, 751743, 2422283, 7266849, 21800547]

約数ペア:

[(1, 21800547), (3, 7266849), (9, 2422283), (29, 751743), (87, 250581), (101, 215847), (261, 83527), (303, 71949), (827, 26361), (909, 23983), (2481, 8787), (2929, 7443)]