21266046

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^2\times {\mathrm{863}}^1$

素因数の和:945

約数の個数: 36

約数和(自身を含む): 47410272

約数和(自身を除く): 26144226

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 863, 1369, 1726, 2589, 2738, 4107, 5178, 7767, 8214, 12321, 15534, 24642, 31931, 63862, 95793, 191586, 287379, 574758, 1181447, 2362894, 3544341, 7088682, 10633023, 21266046]

約数ペア:

[(1, 21266046), (2, 10633023), (3, 7088682), (6, 3544341), (9, 2362894), (18, 1181447), (37, 574758), (74, 287379), (111, 191586), (222, 95793), (333, 63862), (666, 31931), (863, 24642), (1369, 15534), (1726, 12321), (2589, 8214), (2738, 7767), (4107, 5178)]