21218934

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16921}}^1$

素因数の和:16956

約数の個数: 32

約数和(自身を含む): 48735360

約数和(自身を除く): 27516426

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 66, 114, 209, 418, 627, 1254, 16921, 33842, 50763, 101526, 186131, 321499, 372262, 558393, 642998, 964497, 1116786, 1928994, 3536489, 7072978, 10609467, 21218934]

約数ペア:

[(1, 21218934), (2, 10609467), (3, 7072978), (6, 3536489), (11, 1928994), (19, 1116786), (22, 964497), (33, 642998), (38, 558393), (57, 372262), (66, 321499), (114, 186131), (209, 101526), (418, 50763), (627, 33842), (1254, 16921)]