21529565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13331}}^1$

素因数の和:13372

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 7267555

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 13331, 66655, 226627, 253289, 1133135, 1266445, 4305913, 21529565]

約数ペア:

[(1, 21529565), (5, 4305913), (17, 1266445), (19, 1133135), (85, 253289), (95, 226627), (323, 66655), (1615, 13331)]