21000886

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5779}}^1$

素因数の和:5883

約数の個数: 16

約数和(自身を含む): 33292800

約数和(自身を除く): 12291914

約数列:

[1, 2, 23, 46, 79, 158, 1817, 3634, 5779, 11558, 132917, 265834, 456541, 913082, 10500443, 21000886]

約数ペア:

[(1, 21000886), (2, 10500443), (23, 913082), (46, 456541), (79, 265834), (158, 132917), (1817, 11558), (3634, 5779)]