21916213

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{503}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 25474176

約数和(自身を除く): 3557963

約数列:

[1, 11, 17, 187, 233, 503, 2563, 3961, 5533, 8551, 43571, 94061, 117199, 1289189, 1992383, 21916213]

約数ペア:

[(1, 21916213), (11, 1992383), (17, 1289189), (187, 117199), (233, 94061), (503, 43571), (2563, 8551), (3961, 5533)]