21026874

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{318589}}^1$

素因数の和:318605

約数の個数: 16

約数和(自身を含む): 45876960

約数和(自身を除く): 24850086

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 318589, 637178, 955767, 1911534, 3504479, 7008958, 10513437, 21026874]

約数ペア:

[(1, 21026874), (2, 10513437), (3, 7008958), (6, 3504479), (11, 1911534), (22, 955767), (33, 637178), (66, 318589)]