21664386

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{22709}}^1$

素因数の和:22770

約数の個数: 24

約数和(自身を含む): 47827260

約数和(自身を除く): 26162874

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 22709, 45418, 68127, 136254, 204381, 408762, 1203577, 2407154, 3610731, 7221462, 10832193, 21664386]

約数ペア:

[(1, 21664386), (2, 10832193), (3, 7221462), (6, 3610731), (9, 2407154), (18, 1203577), (53, 408762), (106, 204381), (159, 136254), (318, 68127), (477, 45418), (954, 22709)]