21126078

素因数分解:

$2^1\times 3^2\times {\mathrm{641}}^1\times {\mathrm{1831}}^1$

素因数の和:2480

約数の個数: 24

約数和(自身を含む): 45869616

約数和(自身を除く): 24743538

約数列:

[1, 2, 3, 6, 9, 18, 641, 1282, 1831, 1923, 3662, 3846, 5493, 5769, 10986, 11538, 16479, 32958, 1173671, 2347342, 3521013, 7042026, 10563039, 21126078]

約数ペア:

[(1, 21126078), (2, 10563039), (3, 7042026), (6, 3521013), (9, 2347342), (18, 1173671), (641, 32958), (1282, 16479), (1831, 11538), (1923, 10986), (3662, 5769), (3846, 5493)]