21131406

素因数分解:

$2^1\times 3^2\times {\mathrm{1051}}^1\times {\mathrm{1117}}^1$

素因数の和:2176

約数の個数: 24

約数和(自身を含む): 45869304

約数和(自身を除く): 24737898

約数列:

[1, 2, 3, 6, 9, 18, 1051, 1117, 2102, 2234, 3153, 3351, 6306, 6702, 9459, 10053, 18918, 20106, 1173967, 2347934, 3521901, 7043802, 10565703, 21131406]

約数ペア:

[(1, 21131406), (2, 10565703), (3, 7043802), (6, 3521901), (9, 2347934), (18, 1173967), (1051, 20106), (1117, 18918), (2102, 10053), (2234, 9459), (3153, 6702), (3351, 6306)]