21267194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43051}}^1$

素因数の和:43085

約数の個数: 16

約数和(自身を含む): 36163680

約数和(自身を除く): 14896486

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 43051, 86102, 559663, 817969, 1119326, 1635938, 10633597, 21267194]

約数ペア:

[(1, 21267194), (2, 10633597), (13, 1635938), (19, 1119326), (26, 817969), (38, 559663), (247, 86102), (494, 43051)]