21004503

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2437}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 32123088

約数和(自身を除く): 11118585

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 2437, 2873, 7311, 8619, 31681, 41429, 95043, 124287, 411853, 538577, 1235559, 1615731, 7001501, 21004503]

約数ペア:

[(1, 21004503), (3, 7001501), (13, 1615731), (17, 1235559), (39, 538577), (51, 411853), (169, 124287), (221, 95043), (507, 41429), (663, 31681), (2437, 8619), (2873, 7311)]