21095662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1216

約数の個数: 32

約数和(自身を含む): 38638080

約数和(自身を除く): 17542418

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1117, 1349, 2234, 2698, 7819, 9443, 15638, 18886, 21223, 42446, 79307, 148561, 158614, 297122, 555149, 1110298, 1506833, 3013666, 10547831, 21095662]

約数ペア:

[(1, 21095662), (2, 10547831), (7, 3013666), (14, 1506833), (19, 1110298), (38, 555149), (71, 297122), (133, 158614), (142, 148561), (266, 79307), (497, 42446), (994, 21223), (1117, 18886), (1349, 15638), (2234, 9443), (2698, 7819)]