21072888

素因数分解:

$2^3\times 3^2\times {\mathrm{292679}}^1$

素因数の和:292691

約数の個数: 24

約数和(自身を含む): 57072600

約数和(自身を除く): 35999712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 292679, 585358, 878037, 1170716, 1756074, 2341432, 2634111, 3512148, 5268222, 7024296, 10536444, 21072888]

約数ペア:

[(1, 21072888), (2, 10536444), (3, 7024296), (4, 5268222), (6, 3512148), (8, 2634111), (9, 2341432), (12, 1756074), (18, 1170716), (24, 878037), (36, 585358), (72, 292679)]