21041604

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15797}}^1$

素因数の和:15844

約数の個数: 36

約数和(自身を含む): 54629484

約数和(自身を除く): 33587880

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 333, 444, 666, 1332, 15797, 31594, 47391, 63188, 94782, 142173, 189564, 284346, 568692, 584489, 1168978, 1753467, 2337956, 3506934, 5260401, 7013868, 10520802, 21041604]

約数ペア:

[(1, 21041604), (2, 10520802), (3, 7013868), (4, 5260401), (6, 3506934), (9, 2337956), (12, 1753467), (18, 1168978), (36, 584489), (37, 568692), (74, 284346), (111, 189564), (148, 142173), (222, 94782), (333, 63188), (444, 47391), (666, 31594), (1332, 15797)]