21344979

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3011}}^1$

素因数の和:3170

約数の個数: 16

約数和(自身を含む): 30360960

約数和(自身を除く): 9015981

約数列:

[1, 3, 17, 51, 139, 417, 2363, 3011, 7089, 9033, 51187, 153561, 418529, 1255587, 7114993, 21344979]

約数ペア:

[(1, 21344979), (3, 7114993), (17, 1255587), (51, 418529), (139, 153561), (417, 51187), (2363, 9033), (3011, 7089)]