21976465

素因数分解:

$5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{2143}}^1$

素因数の和:2448

約数の個数: 16

約数和(自身を含む): 30256128

約数和(自身を除く): 8279663

約数列:

[1, 5, 7, 35, 293, 1465, 2051, 2143, 10255, 10715, 15001, 75005, 627899, 3139495, 4395293, 21976465]

約数ペア:

[(1, 21976465), (5, 4395293), (7, 3139495), (35, 627899), (293, 75005), (1465, 15001), (2051, 10715), (2143, 10255)]