21051822

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 46884096

約数和(自身を除く): 25832274

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 107, 121, 214, 242, 271, 321, 363, 542, 642, 726, 813, 1177, 1626, 2354, 2981, 3531, 5962, 7062, 8943, 12947, 17886, 25894, 28997, 32791, 38841, 57994, 65582, 77682, 86991, 98373, 173982, 196746, 318967, 637934, 956901, 1913802, 3508637, 7017274, 10525911, 21051822]

約数ペア:

[(1, 21051822), (2, 10525911), (3, 7017274), (6, 3508637), (11, 1913802), (22, 956901), (33, 637934), (66, 318967), (107, 196746), (121, 173982), (214, 98373), (242, 86991), (271, 77682), (321, 65582), (363, 57994), (542, 38841), (642, 32791), (726, 28997), (813, 25894), (1177, 17886), (1626, 12947), (2354, 8943), (2981, 7062), (3531, 5962)]