21076814

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50423}}^1$

素因数の和:50455

約数の個数: 16

約数和(自身を含む): 36305280

約数和(自身を除く): 15228466

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50423, 100846, 554653, 958037, 1109306, 1916074, 10538407, 21076814]

約数ペア:

[(1, 21076814), (2, 10538407), (11, 1916074), (19, 1109306), (22, 958037), (38, 554653), (209, 100846), (418, 50423)]