21241941

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 33362784

約数和(自身を除く): 12120843

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1741, 1743, 4067, 5223, 12187, 12201, 36561, 85309, 144503, 255927, 433509, 1011521, 3034563, 7080647, 21241941]

約数ペア:

[(1, 21241941), (3, 7080647), (7, 3034563), (21, 1011521), (49, 433509), (83, 255927), (147, 144503), (249, 85309), (581, 36561), (1741, 12201), (1743, 12187), (4067, 5223)]