21716354

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4723}}^1$

素因数の和:4766

約数の個数: 24

約数和(自身を含む): 37697520

約数和(自身を除く): 15981166

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4598, 4723, 9446, 51953, 89737, 103906, 179474, 571483, 987107, 1142966, 1974214, 10858177, 21716354]

約数ペア:

[(1, 21716354), (2, 10858177), (11, 1974214), (19, 1142966), (22, 987107), (38, 571483), (121, 179474), (209, 103906), (242, 89737), (418, 51953), (2299, 9446), (4598, 4723)]