21235084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21493}}^1$

素因数の和:21529

約数の個数: 24

約数和(自身を含む): 42128240

約数和(自身を除く): 20893156

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21493, 42986, 85972, 279409, 408367, 558818, 816734, 1117636, 1633468, 5308771, 10617542, 21235084]

約数ペア:

[(1, 21235084), (2, 10617542), (4, 5308771), (13, 1633468), (19, 1117636), (26, 816734), (38, 558818), (52, 408367), (76, 279409), (247, 85972), (494, 42986), (988, 21493)]