21142173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8887}}^1$

素因数の和:8964

約数の個数: 16

約数和(自身を含む): 30859136

約数和(自身を除く): 9716963

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 8887, 26661, 115531, 346593, 542107, 1626321, 7047391, 21142173]

約数ペア:

[(1, 21142173), (3, 7047391), (13, 1626321), (39, 542107), (61, 346593), (183, 115531), (793, 26661), (2379, 8887)]