21673558978

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{6421}}^1\times {\mathrm{99277}}^1$

素因数の和:105717

約数の個数: 16

約数和(自身を含む): 34428419064

約数和(自身を除く): 12754860086

約数列:

[1, 2, 17, 34, 6421, 12842, 99277, 109157, 198554, 218314, 1687709, 3375418, 637457617, 1274915234, 10836779489, 21673558978]

約数ペア:

[(1, 21673558978), (2, 10836779489), (17, 1274915234), (34, 637457617), (6421, 3375418), (12842, 1687709), (99277, 218314), (109157, 198554)]