21368028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161879}}^1$

素因数の和:161897

約数の個数: 24

約数和(自身を含む): 54391680

約数和(自身を除く): 33023652

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161879, 323758, 485637, 647516, 971274, 1780669, 1942548, 3561338, 5342007, 7122676, 10684014, 21368028]

約数ペア:

[(1, 21368028), (2, 10684014), (3, 7122676), (4, 5342007), (6, 3561338), (11, 1942548), (12, 1780669), (22, 971274), (33, 647516), (44, 485637), (66, 323758), (132, 161879)]