21131916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135461}}^1$

素因数の和:135481

約数の個数: 24

約数和(自身を含む): 53101104

約数和(自身を除く): 31969188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135461, 270922, 406383, 541844, 812766, 1625532, 1760993, 3521986, 5282979, 7043972, 10565958, 21131916]

約数ペア:

[(1, 21131916), (2, 10565958), (3, 7043972), (4, 5282979), (6, 3521986), (12, 1760993), (13, 1625532), (26, 812766), (39, 541844), (52, 406383), (78, 270922), (156, 135461)]