21206826

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{9133}}^1$

素因数の和:9187

約数の個数: 32

約数和(自身を含む): 48227520

約数和(自身を除く): 27020694

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 9133, 18266, 27399, 54798, 82197, 164394, 246591, 392719, 493182, 785438, 1178157, 2356314, 3534471, 7068942, 10603413, 21206826]

約数ペア:

[(1, 21206826), (2, 10603413), (3, 7068942), (6, 3534471), (9, 2356314), (18, 1178157), (27, 785438), (43, 493182), (54, 392719), (86, 246591), (129, 164394), (258, 82197), (387, 54798), (774, 27399), (1161, 18266), (2322, 9133)]