21071886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6793}}^1$

素因数の和:6856

約数の個数: 32

約数和(自身を含む): 46960128

約数和(自身を除く): 25888242

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 282, 517, 1034, 1551, 3102, 6793, 13586, 20379, 40758, 74723, 149446, 224169, 319271, 448338, 638542, 957813, 1915626, 3511981, 7023962, 10535943, 21071886]

約数ペア:

[(1, 21071886), (2, 10535943), (3, 7023962), (6, 3511981), (11, 1915626), (22, 957813), (33, 638542), (47, 448338), (66, 319271), (94, 224169), (141, 149446), (282, 74723), (517, 40758), (1034, 20379), (1551, 13586), (3102, 6793)]