21713857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1721}}^1$

素因数の和:1800

約数の個数: 16

約数和(自身を含む): 25127424

約数和(自身を除く): 3413567

約数列:

[1, 11, 31, 37, 341, 407, 1147, 1721, 12617, 18931, 53351, 63677, 586861, 700447, 1973987, 21713857]

約数ペア:

[(1, 21713857), (11, 1973987), (31, 700447), (37, 586861), (341, 63677), (407, 53351), (1147, 18931), (1721, 12617)]