21643218

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{25583}}^1$

素因数の和:25638

約数の個数: 24

約数和(自身を含む): 47893248

約数和(自身を除く): 26250030

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 25583, 51166, 76749, 153498, 230247, 460494, 1202401, 2404802, 3607203, 7214406, 10821609, 21643218]

約数ペア:

[(1, 21643218), (2, 10821609), (3, 7214406), (6, 3607203), (9, 2404802), (18, 1202401), (47, 460494), (94, 230247), (141, 153498), (282, 76749), (423, 51166), (846, 25583)]