21911164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2663}}^1$

素因数の和:2706

約数の個数: 36

約数和(自身を含む): 44643312

約数和(自身を除く): 22732148

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2663, 4114, 5326, 8228, 10652, 29293, 45271, 58586, 90542, 117172, 181084, 322223, 497981, 644446, 995962, 1288892, 1991924, 5477791, 10955582, 21911164]

約数ペア:

[(1, 21911164), (2, 10955582), (4, 5477791), (11, 1991924), (17, 1288892), (22, 995962), (34, 644446), (44, 497981), (68, 322223), (121, 181084), (187, 117172), (242, 90542), (374, 58586), (484, 45271), (748, 29293), (2057, 10652), (2663, 8228), (4114, 5326)]