21214851

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1601}}^1$

素因数の和:2242

約数の個数: 16

約数和(自身を含む): 32398848

約数和(自身を除く): 11183997

約数列:

[1, 3, 7, 21, 631, 1601, 1893, 4417, 4803, 11207, 13251, 33621, 1010231, 3030693, 7071617, 21214851]

約数ペア:

[(1, 21214851), (3, 7071617), (7, 3030693), (21, 1010231), (631, 33621), (1601, 13251), (1893, 11207), (4417, 4803)]