21270242

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{6053}}^1$

素因数の和:6313

約数の個数: 16

約数和(自身を含む): 36614592

約数和(自身を除く): 15344350

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 6053, 12106, 42371, 84742, 1519303, 3038606, 10635121, 21270242]

約数ペア:

[(1, 21270242), (2, 10635121), (7, 3038606), (14, 1519303), (251, 84742), (502, 42371), (1757, 12106), (3514, 6053)]