21199846

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{3137}}^1$

素因数の和:3279

約数の個数: 16

約数和(自身を含む): 33137280

約数和(自身を除く): 11937434

約数列:

[1, 2, 31, 62, 109, 218, 3137, 3379, 6274, 6758, 97247, 194494, 341933, 683866, 10599923, 21199846]

約数ペア:

[(1, 21199846), (2, 10599923), (31, 683866), (62, 341933), (109, 194494), (218, 97247), (3137, 6758), (3379, 6274)]