21587433

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3557}}^1$

素因数の和:3601

約数の個数: 24

約数和(自身を含む): 34953792

約数和(自身を除く): 13366359

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3557, 6069, 10671, 24899, 60469, 74697, 181407, 423283, 1027973, 1269849, 3083919, 7195811, 21587433]

約数ペア:

[(1, 21587433), (3, 7195811), (7, 3083919), (17, 1269849), (21, 1027973), (51, 423283), (119, 181407), (289, 74697), (357, 60469), (867, 24899), (2023, 10671), (3557, 6069)]