21611097

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 12603303

約数列:

[1, 3, 9, 17, 27, 51, 153, 197, 239, 459, 591, 717, 1773, 2151, 3349, 4063, 5319, 6453, 10047, 12189, 30141, 36567, 47083, 90423, 109701, 141249, 423747, 800411, 1271241, 2401233, 7203699, 21611097]

約数ペア:

[(1, 21611097), (3, 7203699), (9, 2401233), (17, 1271241), (27, 800411), (51, 423747), (153, 141249), (197, 109701), (239, 90423), (459, 47083), (591, 36567), (717, 30141), (1773, 12189), (2151, 10047), (3349, 6453), (4063, 5319)]