21034278

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{31583}}^1$

素因数の和:31628

約数の個数: 24

約数和(自身を含む): 46807488

約数和(自身を除く): 25773210

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 31583, 63166, 94749, 189498, 284247, 568494, 1168571, 2337142, 3505713, 7011426, 10517139, 21034278]

約数ペア:

[(1, 21034278), (2, 10517139), (3, 7011426), (6, 3505713), (9, 2337142), (18, 1168571), (37, 568494), (74, 284247), (111, 189498), (222, 94749), (333, 63166), (666, 31583)]