21299156639

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{400157}}^1$

素因数の和:400306

約数の個数: 16

約数和(自身を含む): 23510082816

約数和(自身を除く): 2210926177

約数列:

[1, 17, 31, 101, 527, 1717, 3131, 53227, 400157, 6802669, 12404867, 40415857, 210882739, 687069569, 1252891567, 21299156639]

約数ペア:

[(1, 21299156639), (17, 1252891567), (31, 687069569), (101, 210882739), (527, 40415857), (1717, 12404867), (3131, 6802669), (53227, 400157)]