21826454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{5347}}^1$

素因数の和:5519

約数の個数: 16

約数和(自身を含む): 35489328

約数和(自身を除く): 13662874

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 5347, 10694, 69511, 139022, 839479, 1678958, 10913227, 21826454]

約数ペア:

[(1, 21826454), (2, 10913227), (13, 1678958), (26, 839479), (157, 139022), (314, 69511), (2041, 10694), (4082, 5347)]