21813606

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2963}}^1$

素因数の和:3380

約数の個数: 24

約数和(自身を含む): 47394360

約数和(自身を除く): 25580754

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2963, 3681, 5926, 7362, 8889, 17778, 26667, 53334, 1211867, 2423734, 3635601, 7271202, 10906803, 21813606]

約数ペア:

[(1, 21813606), (2, 10906803), (3, 7271202), (6, 3635601), (9, 2423734), (18, 1211867), (409, 53334), (818, 26667), (1227, 17778), (2454, 8889), (2963, 7362), (3681, 5926)]