21589503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{2297}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 31142496

約数和(自身を除く): 9552993

約数列:

[1, 3, 13, 39, 241, 723, 2297, 3133, 6891, 9399, 29861, 89583, 553577, 1660731, 7196501, 21589503]

約数ペア:

[(1, 21589503), (3, 7196501), (13, 1660731), (39, 553577), (241, 89583), (723, 29861), (2297, 9399), (3133, 6891)]