21951927

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 11126313

約数列:

[1, 3, 9, 29, 87, 151, 261, 453, 557, 1359, 1671, 4379, 5013, 13137, 16153, 39411, 48459, 84107, 145377, 252321, 756963, 2439103, 7317309, 21951927]

約数ペア:

[(1, 21951927), (3, 7317309), (9, 2439103), (29, 756963), (87, 252321), (151, 145377), (261, 84107), (453, 48459), (557, 39411), (1359, 16153), (1671, 13137), (4379, 5013)]