21847533

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 31358208

約数和(自身を除く): 9510675

約数列:

[1, 3, 17, 51, 113, 223, 289, 339, 669, 867, 1921, 3791, 5763, 11373, 25199, 32657, 64447, 75597, 97971, 193341, 428383, 1285149, 7282511, 21847533]

約数ペア:

[(1, 21847533), (3, 7282511), (17, 1285149), (51, 428383), (113, 193341), (223, 97971), (289, 75597), (339, 64447), (669, 32657), (867, 25199), (1921, 11373), (3791, 5763)]