21273274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50893}}^1$

素因数の和:50925

約数の個数: 16

約数和(自身を含む): 36643680

約数和(自身を除く): 15370406

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50893, 101786, 559823, 966967, 1119646, 1933934, 10636637, 21273274]

約数ペア:

[(1, 21273274), (2, 10636637), (11, 1933934), (19, 1119646), (22, 966967), (38, 559823), (209, 101786), (418, 50893)]