21492468

素因数分解:

$2^2\times 3^2\times {\mathrm{271}}^1\times {\mathrm{2203}}^1$

素因数の和:2484

約数の個数: 36

約数和(自身を含む): 54553408

約数和(自身を除く): 33060940

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 271, 542, 813, 1084, 1626, 2203, 2439, 3252, 4406, 4878, 6609, 8812, 9756, 13218, 19827, 26436, 39654, 79308, 597013, 1194026, 1791039, 2388052, 3582078, 5373117, 7164156, 10746234, 21492468]

約数ペア:

[(1, 21492468), (2, 10746234), (3, 7164156), (4, 5373117), (6, 3582078), (9, 2388052), (12, 1791039), (18, 1194026), (36, 597013), (271, 79308), (542, 39654), (813, 26436), (1084, 19827), (1626, 13218), (2203, 9756), (2439, 8812), (3252, 6609), (4406, 4878)]