21899381

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{7159}}^1$

素因数の和:7208

約数の個数: 16

約数和(自身を含む): 27494400

約数和(自身を除く): 5595019

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 7159, 50113, 136021, 164657, 952147, 1152599, 3128483, 21899381]

約数ペア:

[(1, 21899381), (7, 3128483), (19, 1152599), (23, 952147), (133, 164657), (161, 136021), (437, 50113), (3059, 7159)]