21887676

素因数分解:

$2^2\times 3^2\times {\mathrm{607991}}^1$

素因数の和:608001

約数の個数: 18

約数和(自身を含む): 55327272

約数和(自身を除く): 33439596

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607991, 1215982, 1823973, 2431964, 3647946, 5471919, 7295892, 10943838, 21887676]

約数ペア:

[(1, 21887676), (2, 10943838), (3, 7295892), (4, 5471919), (6, 3647946), (9, 2431964), (12, 1823973), (18, 1215982), (36, 607991)]