21118986

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{167611}}^1$

素因数の和:167626

約数の個数: 24

約数和(自身を含む): 52294944

約数和(自身を除く): 31175958

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 167611, 335222, 502833, 1005666, 1173277, 1508499, 2346554, 3016998, 3519831, 7039662, 10559493, 21118986]

約数ペア:

[(1, 21118986), (2, 10559493), (3, 7039662), (6, 3519831), (7, 3016998), (9, 2346554), (14, 1508499), (18, 1173277), (21, 1005666), (42, 502833), (63, 335222), (126, 167611)]