21939345

素因数分解:

$3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{2129}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 38212200

約数和(自身を除く): 16272855

約数列:

[1, 3, 5, 9, 15, 45, 229, 687, 1145, 2061, 2129, 3435, 6387, 10305, 10645, 19161, 31935, 95805, 487541, 1462623, 2437705, 4387869, 7313115, 21939345]

約数ペア:

[(1, 21939345), (3, 7313115), (5, 4387869), (9, 2437705), (15, 1462623), (45, 487541), (229, 95805), (687, 31935), (1145, 19161), (2061, 10645), (2129, 10305), (3435, 6387)]