21708722

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{36061}}^1$

素因数の和:36113

約数の個数: 16

約数和(自身を含む): 38081472

約数和(自身を除く): 16372750

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 36061, 72122, 252427, 504854, 1550623, 3101246, 10854361, 21708722]

約数ペア:

[(1, 21708722), (2, 10854361), (7, 3101246), (14, 1550623), (43, 504854), (86, 252427), (301, 72122), (602, 36061)]