21311122

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 38851200

約数和(自身を除く): 17540078

約数列:

[1, 2, 7, 14, 19, 38, 113, 133, 226, 266, 709, 791, 1418, 1582, 2147, 4294, 4963, 9926, 13471, 15029, 26942, 30058, 80117, 94297, 160234, 188594, 560819, 1121638, 1522223, 3044446, 10655561, 21311122]

約数ペア:

[(1, 21311122), (2, 10655561), (7, 3044446), (14, 1522223), (19, 1121638), (38, 560819), (113, 188594), (133, 160234), (226, 94297), (266, 80117), (709, 30058), (791, 26942), (1418, 15029), (1582, 13471), (2147, 9926), (4294, 4963)]