21814359

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{4787}}^1$

素因数の和:4835

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 13118889

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 4787, 14361, 33509, 100527, 148397, 234563, 445191, 703689, 1038779, 3116337, 7271453, 21814359]

約数ペア:

[(1, 21814359), (3, 7271453), (7, 3116337), (21, 1038779), (31, 703689), (49, 445191), (93, 234563), (147, 148397), (217, 100527), (651, 33509), (1519, 14361), (4557, 4787)]