21377379

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 30450160

約数和(自身を除く): 9072781

約数列:

[1, 3, 29, 37, 87, 111, 229, 687, 841, 1073, 2523, 3219, 6641, 8473, 19923, 25419, 31117, 93351, 192589, 245717, 577767, 737151, 7125793, 21377379]

約数ペア:

[(1, 21377379), (3, 7125793), (29, 737151), (37, 577767), (87, 245717), (111, 192589), (229, 93351), (687, 31117), (841, 25419), (1073, 19923), (2523, 8473), (3219, 6641)]