21868418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{76463}}^1$

素因数の和:76489

約数の個数: 16

約数和(自身を含む): 38537856

約数和(自身を除く): 16669438

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 76463, 152926, 841093, 994019, 1682186, 1988038, 10934209, 21868418]

約数ペア:

[(1, 21868418), (2, 10934209), (11, 1988038), (13, 1682186), (22, 994019), (26, 841093), (143, 152926), (286, 76463)]