21597201

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:701

約数の個数: 24

約数和(自身を含む): 32314464

約数和(自身を除く): 10717263

約数列:

[1, 3, 9, 41, 107, 123, 321, 369, 547, 963, 1641, 4387, 4923, 13161, 22427, 39483, 58529, 67281, 175587, 201843, 526761, 2399689, 7199067, 21597201]

約数ペア:

[(1, 21597201), (3, 7199067), (9, 2399689), (41, 526761), (107, 201843), (123, 175587), (321, 67281), (369, 58529), (547, 39483), (963, 22427), (1641, 13161), (4387, 4923)]