21626465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 11447455

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 119, 133, 323, 595, 665, 1615, 1913, 2261, 9565, 11305, 13391, 32521, 36347, 66955, 162605, 181735, 227647, 254429, 617899, 1138235, 1272145, 3089495, 4325293, 21626465]

約数ペア:

[(1, 21626465), (5, 4325293), (7, 3089495), (17, 1272145), (19, 1138235), (35, 617899), (85, 254429), (95, 227647), (119, 181735), (133, 162605), (323, 66955), (595, 36347), (665, 32521), (1615, 13391), (1913, 11305), (2261, 9565)]