21709974

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25303}}^1$

素因数の和:25332

約数の個数: 32

約数和(自身を含む): 51012864

約数和(自身を除く): 29302890

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 25303, 50606, 75909, 151818, 278333, 328939, 556666, 657878, 834999, 986817, 1669998, 1973634, 3618329, 7236658, 10854987, 21709974]

約数ペア:

[(1, 21709974), (2, 10854987), (3, 7236658), (6, 3618329), (11, 1973634), (13, 1669998), (22, 986817), (26, 834999), (33, 657878), (39, 556666), (66, 328939), (78, 278333), (143, 151818), (286, 75909), (429, 50606), (858, 25303)]