21839175

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3347}}^1$

素因数の和:3392

約数の個数: 36

約数和(自身を含む): 40477320

約数和(自身を除く): 18638145

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 3347, 6525, 10041, 16735, 30123, 50205, 83675, 97063, 150615, 251025, 291189, 485315, 753075, 873567, 1455945, 2426575, 4367835, 7279725, 21839175]

約数ペア:

[(1, 21839175), (3, 7279725), (5, 4367835), (9, 2426575), (15, 1455945), (25, 873567), (29, 753075), (45, 485315), (75, 291189), (87, 251025), (145, 150615), (225, 97063), (261, 83675), (435, 50205), (725, 30123), (1305, 16735), (2175, 10041), (3347, 6525)]