21214533

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2347}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 29753856

約数和(自身を除く): 8539323

約数列:

[1, 3, 23, 69, 131, 393, 2347, 3013, 7041, 9039, 53981, 161943, 307457, 922371, 7071511, 21214533]

約数ペア:

[(1, 21214533), (3, 7071511), (23, 922371), (69, 307457), (131, 161943), (393, 53981), (2347, 9039), (3013, 7041)]