21236015

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9719}}^1$

素因数の和:9766

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 6757585

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 9719, 48595, 184661, 223537, 923305, 1117685, 4247203, 21236015]

約数ペア:

[(1, 21236015), (5, 4247203), (19, 1117685), (23, 923305), (95, 223537), (115, 184661), (437, 48595), (2185, 9719)]