21341584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{121259}}^1$

素因数の和:121278

約数の個数: 20

約数和(自身を含む): 45108720

約数和(自身を除く): 23767136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 121259, 242518, 485036, 970072, 1333849, 1940144, 2667698, 5335396, 10670792, 21341584]

約数ペア:

[(1, 21341584), (2, 10670792), (4, 5335396), (8, 2667698), (11, 1940144), (16, 1333849), (22, 970072), (44, 485036), (88, 242518), (176, 121259)]