21214956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252559}}^1$

素因数の和:252573

約数の個数: 24

約数和(自身を含む): 56573440

約数和(自身を除く): 35358484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252559, 505118, 757677, 1010236, 1515354, 1767913, 3030708, 3535826, 5303739, 7071652, 10607478, 21214956]

約数ペア:

[(1, 21214956), (2, 10607478), (3, 7071652), (4, 5303739), (6, 3535826), (7, 3030708), (12, 1767913), (14, 1515354), (21, 1010236), (28, 757677), (42, 505118), (84, 252559)]