21681612

素因数分解:

$2^2\times 3^2\times {\mathrm{602267}}^1$

素因数の和:602277

約数の個数: 18

約数和(自身を含む): 54806388

約数和(自身を除く): 33124776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 602267, 1204534, 1806801, 2409068, 3613602, 5420403, 7227204, 10840806, 21681612]

約数ペア:

[(1, 21681612), (2, 10840806), (3, 7227204), (4, 5420403), (6, 3613602), (9, 2409068), (12, 1806801), (18, 1204534), (36, 602267)]