21405930001

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{12973}}^1$

素因数の和:13153

約数の個数: 24

約数和(自身を含む): 23653522152

約数和(自身を除く): 2247592151

約数列:

[1, 17, 31, 101, 527, 961, 1717, 3131, 12973, 16337, 53227, 97061, 220541, 402163, 1310273, 1650037, 6836771, 12467053, 22274641, 40618463, 211939901, 690513871, 1259172353, 21405930001]

約数ペア:

[(1, 21405930001), (17, 1259172353), (31, 690513871), (101, 211939901), (527, 40618463), (961, 22274641), (1717, 12467053), (3131, 6836771), (12973, 1650037), (16337, 1310273), (53227, 402163), (97061, 220541)]