21181116

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9439}}^1$

素因数の和:9474

約数の個数: 48

約数和(自身を含む): 57093120

約数和(自身を除く): 35912004

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9439, 18878, 28317, 37756, 56634, 103829, 113268, 160463, 207658, 311487, 320926, 415316, 481389, 622974, 641852, 962778, 1245948, 1765093, 1925556, 3530186, 5295279, 7060372, 10590558, 21181116]

約数ペア:

[(1, 21181116), (2, 10590558), (3, 7060372), (4, 5295279), (6, 3530186), (11, 1925556), (12, 1765093), (17, 1245948), (22, 962778), (33, 641852), (34, 622974), (44, 481389), (51, 415316), (66, 320926), (68, 311487), (102, 207658), (132, 160463), (187, 113268), (204, 103829), (374, 56634), (561, 37756), (748, 28317), (1122, 18878), (2244, 9439)]