21902222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 36267264

約数和(自身を除く): 14365042

約数列:

[1, 2, 17, 34, 43, 71, 86, 142, 211, 422, 731, 1207, 1462, 2414, 3053, 3587, 6106, 7174, 9073, 14981, 18146, 29962, 51901, 103802, 154241, 254677, 308482, 509354, 644183, 1288366, 10951111, 21902222]

約数ペア:

[(1, 21902222), (2, 10951111), (17, 1288366), (34, 644183), (43, 509354), (71, 308482), (86, 254677), (142, 154241), (211, 103802), (422, 51901), (731, 29962), (1207, 18146), (1462, 14981), (2414, 9073), (3053, 7174), (3587, 6106)]