21452794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{6211}}^1$

素因数の和:6381

約数の個数: 16

約数和(自身を含む): 35333856

約数和(自身を除く): 13881062

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 6211, 12422, 68321, 136642, 975127, 1950254, 10726397, 21452794]

約数ペア:

[(1, 21452794), (2, 10726397), (11, 1950254), (22, 975127), (157, 136642), (314, 68321), (1727, 12422), (3454, 6211)]