20210379

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5563}}^1$

素因数の和:5746

約数の個数: 16

約数和(自身を含む): 30980352

約数和(自身を除く): 10769973

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5563, 16689, 38941, 116823, 962399, 2887197, 6736793, 20210379]

約数ペア:

[(1, 20210379), (3, 6736793), (7, 2887197), (21, 962399), (173, 116823), (519, 38941), (1211, 16689), (3633, 5563)]