21837118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{1129}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 34578000

約数和(自身を除く): 12740882

約数列:

[1, 2, 19, 38, 509, 1018, 1129, 2258, 9671, 19342, 21451, 42902, 574661, 1149322, 10918559, 21837118]

約数ペア:

[(1, 21837118), (2, 10918559), (19, 1149322), (38, 574661), (509, 42902), (1018, 21451), (1129, 19342), (2258, 9671)]