21212142

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505051}}^1$

素因数の和:505063

約数の個数: 16

約数和(自身を含む): 48484992

約数和(自身を除く): 27272850

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505051, 1010102, 1515153, 3030306, 3535357, 7070714, 10606071, 21212142]

約数ペア:

[(1, 21212142), (2, 10606071), (3, 7070714), (6, 3535357), (7, 3030306), (14, 1515153), (21, 1010102), (42, 505051)]