21098506721

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1\times {\mathrm{9029}}^1$

素因数の和:10856

約数の個数: 16

約数和(自身を含む): 22300776960

約数和(自身を除く): 1202270239

約数列:

[1, 31, 43, 1333, 1753, 9029, 54343, 75379, 279899, 388247, 2336749, 12035657, 15827837, 490662947, 680596991, 21098506721]

約数ペア:

[(1, 21098506721), (31, 680596991), (43, 490662947), (1333, 15827837), (1753, 12035657), (9029, 2336749), (54343, 388247), (75379, 279899)]