21300567

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1511}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 8116905

約数列:

[1, 3, 37, 111, 127, 381, 1511, 4533, 4699, 14097, 55907, 167721, 191897, 575691, 7100189, 21300567]

約数ペア:

[(1, 21300567), (3, 7100189), (37, 575691), (111, 191897), (127, 167721), (381, 55907), (1511, 14097), (4533, 4699)]