21913311988

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{4409}}^1\times {\mathrm{17021}}^1$

素因数の和:21507

約数の個数: 24

約数和(自身を含む): 38884716360

約数和(自身を除く): 16971404372

約数列:

[1, 2, 4, 73, 146, 292, 4409, 8818, 17021, 17636, 34042, 68084, 321857, 643714, 1242533, 1287428, 2485066, 4970132, 75045589, 150091178, 300182356, 5478327997, 10956655994, 21913311988]

約数ペア:

[(1, 21913311988), (2, 10956655994), (4, 5478327997), (73, 300182356), (146, 150091178), (292, 75045589), (4409, 4970132), (8818, 2485066), (17021, 1287428), (17636, 1242533), (34042, 643714), (68084, 321857)]