21889260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{121607}}^1$

素因数の和:121622

約数の個数: 36

約数和(自身を含む): 66397968

約数和(自身を除く): 44508708

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 121607, 243214, 364821, 486428, 608035, 729642, 1094463, 1216070, 1459284, 1824105, 2188926, 2432140, 3648210, 4377852, 5472315, 7296420, 10944630, 21889260]

約数ペア:

[(1, 21889260), (2, 10944630), (3, 7296420), (4, 5472315), (5, 4377852), (6, 3648210), (9, 2432140), (10, 2188926), (12, 1824105), (15, 1459284), (18, 1216070), (20, 1094463), (30, 729642), (36, 608035), (45, 486428), (60, 364821), (90, 243214), (180, 121607)]