23009921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 2694079

約数列:

[1, 11, 101, 139, 149, 1111, 1529, 1639, 14039, 15049, 20711, 154429, 165539, 227821, 2091811, 23009921]

約数ペア:

[(1, 23009921), (11, 2091811), (101, 227821), (139, 165539), (149, 154429), (1111, 20711), (1529, 15049), (1639, 14039)]