21818134

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1297}}^1$

素因数の和:1959

約数の個数: 16

約数和(自身を含む): 35326368

約数和(自身を除く): 13508234

約数列:

[1, 2, 13, 26, 647, 1294, 1297, 2594, 8411, 16822, 16861, 33722, 839159, 1678318, 10909067, 21818134]

約数ペア:

[(1, 21818134), (2, 10909067), (13, 1678318), (26, 839159), (647, 33722), (1294, 16861), (1297, 16822), (2594, 8411)]