21167357911

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{2180179}}^1$

素因数の和:2180278

約数の個数: 16

約数和(自身を含む): 25813331200

約数和(自身を除く): 4645973289

約数列:

[1, 7, 19, 73, 133, 511, 1387, 9709, 2180179, 15261253, 41423401, 159153067, 289963807, 1114071469, 3023908273, 21167357911]

約数ペア:

[(1, 21167357911), (7, 3023908273), (19, 1114071469), (73, 289963807), (133, 159153067), (511, 41423401), (1387, 15261253), (9709, 2180179)]