21825153

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3121}}^1$

素因数の和:3174

約数の個数: 32

約数和(自身を含む): 37963520

約数和(自身を除く): 16138367

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 3121, 6993, 9363, 21847, 28089, 65541, 84267, 115477, 196623, 346431, 589869, 808339, 1039293, 2425017, 3117879, 7275051, 21825153]

約数ペア:

[(1, 21825153), (3, 7275051), (7, 3117879), (9, 2425017), (21, 1039293), (27, 808339), (37, 589869), (63, 346431), (111, 196623), (189, 115477), (259, 84267), (333, 65541), (777, 28089), (999, 21847), (2331, 9363), (3121, 6993)]