21828555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{23099}}^1$

素因数の和:23120

約数の個数: 32

約数和(自身を含む): 44352000

約数和(自身を除く): 22523445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 23099, 69297, 115495, 161693, 207891, 346485, 485079, 623673, 808465, 1039455, 1455237, 2425395, 3118365, 4365711, 7276185, 21828555]

約数ペア:

[(1, 21828555), (3, 7276185), (5, 4365711), (7, 3118365), (9, 2425395), (15, 1455237), (21, 1039455), (27, 808465), (35, 623673), (45, 485079), (63, 346485), (105, 207891), (135, 161693), (189, 115495), (315, 69297), (945, 23099)]