21769979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{16631}}^1$

素因数の和:16666

約数の個数: 16

約数和(自身を含む): 28740096

約数和(自身を除く): 6970117

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 16631, 116417, 182941, 282727, 1280587, 1979089, 3109997, 21769979]

約数ペア:

[(1, 21769979), (7, 3109997), (11, 1979089), (17, 1280587), (77, 282727), (119, 182941), (187, 116417), (1309, 16631)]