21267112

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 41136480

約数和(自身を除く): 19869368

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 293, 344, 422, 586, 844, 1172, 1688, 2344, 9073, 12599, 18146, 25198, 36292, 50396, 61823, 72584, 100792, 123646, 247292, 494584, 2658389, 5316778, 10633556, 21267112]

約数ペア:

[(1, 21267112), (2, 10633556), (4, 5316778), (8, 2658389), (43, 494584), (86, 247292), (172, 123646), (211, 100792), (293, 72584), (344, 61823), (422, 50396), (586, 36292), (844, 25198), (1172, 18146), (1688, 12599), (2344, 9073)]