21771866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 14619814

約数列:

[1, 2, 17, 29, 34, 58, 71, 142, 311, 493, 622, 986, 1207, 2059, 2414, 4118, 5287, 9019, 10574, 18038, 22081, 35003, 44162, 70006, 153323, 306646, 375377, 640349, 750754, 1280698, 10885933, 21771866]

約数ペア:

[(1, 21771866), (2, 10885933), (17, 1280698), (29, 750754), (34, 640349), (58, 375377), (71, 306646), (142, 153323), (311, 70006), (493, 44162), (622, 35003), (986, 22081), (1207, 18038), (2059, 10574), (2414, 9019), (4118, 5287)]