21314835

素因数分解:

$3^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1801}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 37106784

約数和(自身を除く): 15791949

約数列:

[1, 3, 5, 9, 15, 45, 263, 789, 1315, 1801, 2367, 3945, 5403, 9005, 11835, 16209, 27015, 81045, 473663, 1420989, 2368315, 4262967, 7104945, 21314835]

約数ペア:

[(1, 21314835), (3, 7104945), (5, 4262967), (9, 2368315), (15, 1420989), (45, 473663), (263, 81045), (789, 27015), (1315, 16209), (1801, 11835), (2367, 9005), (3945, 5403)]