21234591

素因数分解:

$3^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{269}}^1$

素因数の和:468

約数の個数: 36

約数和(自身を含む): 36012600

約数和(自身を除く): 14778009

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 179, 269, 441, 537, 807, 1253, 1611, 1883, 2421, 3759, 5649, 8771, 11277, 13181, 16947, 26313, 39543, 48151, 78939, 118629, 144453, 337057, 433359, 1011171, 2359399, 3033513, 7078197, 21234591]

約数ペア:

[(1, 21234591), (3, 7078197), (7, 3033513), (9, 2359399), (21, 1011171), (49, 433359), (63, 337057), (147, 144453), (179, 118629), (269, 78939), (441, 48151), (537, 39543), (807, 26313), (1253, 16947), (1611, 13181), (1883, 11277), (2421, 8771), (3759, 5649)]