21880453067

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{3863}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 25784317440

約数和(自身を除く): 3903864373

約数列:

[1, 11, 19, 41, 209, 451, 661, 779, 3863, 7271, 8569, 12559, 27101, 42493, 73397, 138149, 158383, 298111, 514919, 807367, 1742213, 2553443, 3009277, 5664109, 28087873, 33102047, 48515417, 104691163, 533669587, 1151602793, 1989132097, 21880453067]

約数ペア:

[(1, 21880453067), (11, 1989132097), (19, 1151602793), (41, 533669587), (209, 104691163), (451, 48515417), (661, 33102047), (779, 28087873), (3863, 5664109), (7271, 3009277), (8569, 2553443), (12559, 1742213), (27101, 807367), (42493, 514919), (73397, 298111), (138149, 158383)]