21029398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17209}}^1$

素因数の和:17271

約数の個数: 16

約数和(自身を含む): 34695360

約数和(自身を除く): 13665962

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17209, 34418, 223717, 447434, 808823, 1617646, 10514699, 21029398]

約数ペア:

[(1, 21029398), (2, 10514699), (13, 1617646), (26, 808823), (47, 447434), (94, 223717), (611, 34418), (1222, 17209)]