21087858

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7793}}^1$

素因数の和:7850

約数の個数: 32

約数和(自身を含む): 47138112

約数和(自身を除く): 26050254

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7793, 15586, 23379, 46758, 85723, 171446, 257169, 319513, 514338, 639026, 958539, 1917078, 3514643, 7029286, 10543929, 21087858]

約数ペア:

[(1, 21087858), (2, 10543929), (3, 7029286), (6, 3514643), (11, 1917078), (22, 958539), (33, 639026), (41, 514338), (66, 319513), (82, 257169), (123, 171446), (246, 85723), (451, 46758), (902, 23379), (1353, 15586), (2706, 7793)]