21701857

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 24312960

約数和(自身を除く): 2611103

約数列:

[1, 19, 23, 53, 437, 937, 1007, 1219, 17803, 21551, 23161, 49661, 409469, 943559, 1142203, 21701857]

約数ペア:

[(1, 21701857), (19, 1142203), (23, 943559), (53, 409469), (437, 49661), (937, 23161), (1007, 21551), (1219, 17803)]