21209274

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16141}}^1$

素因数の和:16222

約数の個数: 24

約数和(自身を含む): 46585812

約数和(自身を除く): 25376538

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16141, 32282, 48423, 96846, 145269, 290538, 1178293, 2356586, 3534879, 7069758, 10604637, 21209274]

約数ペア:

[(1, 21209274), (2, 10604637), (3, 7069758), (6, 3534879), (9, 2356586), (18, 1178293), (73, 290538), (146, 145269), (219, 96846), (438, 48423), (657, 32282), (1314, 16141)]