21115403

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:482

約数の個数: 16

約数和(自身を含む): 23404800

約数和(自身を除く): 2289397

約数列:

[1, 19, 23, 211, 229, 437, 4009, 4351, 4853, 5267, 48319, 92207, 100073, 918061, 1111337, 21115403]

約数ペア:

[(1, 21115403), (19, 1111337), (23, 918061), (211, 100073), (229, 92207), (437, 48319), (4009, 5267), (4351, 4853)]