21708369768

素因数分解:

$2^3\times 3^1\times {\mathrm{904515407}}^1$

素因数の和:904515416

約数の個数: 16

約数和(自身を含む): 54270924480

約数和(自身を除く): 32562554712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 904515407, 1809030814, 2713546221, 3618061628, 5427092442, 7236123256, 10854184884, 21708369768]

約数ペア:

[(1, 21708369768), (2, 10854184884), (3, 7236123256), (4, 5427092442), (6, 3618061628), (8, 2713546221), (12, 1809030814), (24, 904515407)]