21761168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9511}}^1$

素因数の和:9543

約数の個数: 40

約数和(自身を含む): 49538496

約数和(自身を除く): 27777328

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9511, 19022, 38044, 76088, 104621, 123643, 152176, 209242, 247286, 418484, 494572, 836968, 989144, 1360073, 1673936, 1978288, 2720146, 5440292, 10880584, 21761168]

約数ペア:

[(1, 21761168), (2, 10880584), (4, 5440292), (8, 2720146), (11, 1978288), (13, 1673936), (16, 1360073), (22, 989144), (26, 836968), (44, 494572), (52, 418484), (88, 247286), (104, 209242), (143, 152176), (176, 123643), (208, 104621), (286, 76088), (572, 38044), (1144, 19022), (2288, 9511)]