21526011

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{733}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 33664176

約数和(自身を除く): 12138165

約数列:

[1, 3, 9, 13, 39, 117, 251, 733, 753, 2199, 2259, 3263, 6597, 9529, 9789, 28587, 29367, 85761, 183983, 551949, 1655847, 2391779, 7175337, 21526011]

約数ペア:

[(1, 21526011), (3, 7175337), (9, 2391779), (13, 1655847), (39, 551949), (117, 183983), (251, 85761), (733, 29367), (753, 28587), (2199, 9789), (2259, 9529), (3263, 6597)]