21791042

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7043}}^1$

素因数の和:7082

約数の個数: 32

約数和(自身を含む): 42602112

約数和(自身を除く): 20811070

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 7043, 14086, 49301, 91559, 98602, 119731, 183118, 239462, 640913, 838117, 1281826, 1556503, 1676234, 3113006, 10895521, 21791042]

約数ペア:

[(1, 21791042), (2, 10895521), (7, 3113006), (13, 1676234), (14, 1556503), (17, 1281826), (26, 838117), (34, 640913), (91, 239462), (119, 183118), (182, 119731), (221, 98602), (238, 91559), (442, 49301), (1547, 14086), (3094, 7043)]