21179367

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2459}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 14244633

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2459, 2871, 7377, 8613, 22131, 27049, 66393, 71311, 81147, 213933, 243441, 641799, 730323, 784421, 1925397, 2353263, 7059789, 21179367]

約数ペア:

[(1, 21179367), (3, 7059789), (9, 2353263), (11, 1925397), (27, 784421), (29, 730323), (33, 641799), (87, 243441), (99, 213933), (261, 81147), (297, 71311), (319, 66393), (783, 27049), (957, 22131), (2459, 8613), (2871, 7377)]