21871366

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 37269792

約数和(自身を除く): 15398426

約数列:

[1, 2, 11, 22, 37, 74, 97, 194, 277, 407, 554, 814, 1067, 2134, 3047, 3589, 6094, 7178, 10249, 20498, 26869, 39479, 53738, 78958, 112739, 225478, 295559, 591118, 994153, 1988306, 10935683, 21871366]

約数ペア:

[(1, 21871366), (2, 10935683), (11, 1988306), (22, 994153), (37, 591118), (74, 295559), (97, 225478), (194, 112739), (277, 78958), (407, 53738), (554, 39479), (814, 26869), (1067, 20498), (2134, 10249), (3047, 7178), (3589, 6094)]