21706586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 37988352

約数和(自身を除く): 16281766

約数列:

[1, 2, 11, 17, 22, 34, 127, 187, 254, 374, 457, 914, 1397, 2159, 2794, 4318, 5027, 7769, 10054, 15538, 23749, 47498, 58039, 85459, 116078, 170918, 638429, 986663, 1276858, 1973326, 10853293, 21706586]

約数ペア:

[(1, 21706586), (2, 10853293), (11, 1973326), (17, 1276858), (22, 986663), (34, 638429), (127, 170918), (187, 116078), (254, 85459), (374, 58039), (457, 47498), (914, 23749), (1397, 15538), (2159, 10054), (2794, 7769), (4318, 5027)]