21497894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 38071296

約数和(自身を除く): 16573402

約数列:

[1, 2, 11, 17, 22, 34, 47, 94, 187, 374, 517, 799, 1034, 1223, 1598, 2446, 8789, 13453, 17578, 20791, 26906, 41582, 57481, 114962, 228701, 457402, 632291, 977177, 1264582, 1954354, 10748947, 21497894]

約数ペア:

[(1, 21497894), (2, 10748947), (11, 1954354), (17, 1264582), (22, 977177), (34, 632291), (47, 457402), (94, 228701), (187, 114962), (374, 57481), (517, 41582), (799, 26906), (1034, 20791), (1223, 17578), (1598, 13453), (2446, 8789)]