21394274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{3319}}^1$

素因数の和:3625

約数の個数: 16

約数和(自身を含む): 35138880

約数和(自身を除く): 13744606

約数列:

[1, 2, 11, 22, 293, 586, 3223, 3319, 6446, 6638, 36509, 73018, 972467, 1944934, 10697137, 21394274]

約数ペア:

[(1, 21394274), (2, 10697137), (11, 1944934), (22, 972467), (293, 73018), (586, 36509), (3223, 6638), (3319, 6446)]