21569243

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 24014880

約数和(自身を除く): 2445637

約数列:

[1, 17, 29, 67, 493, 653, 1139, 1943, 11101, 18937, 33031, 43751, 321929, 743767, 1268779, 21569243]

約数ペア:

[(1, 21569243), (17, 1268779), (29, 743767), (67, 321929), (493, 43751), (653, 33031), (1139, 18937), (1943, 11101)]