21904435

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32939}}^1$

素因数の和:32970

約数の個数: 16

約数和(自身を含む): 31622400

約数和(自身を除く): 9717965

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 32939, 164695, 230573, 625841, 1152865, 3129205, 4380887, 21904435]

約数ペア:

[(1, 21904435), (5, 4380887), (7, 3129205), (19, 1152865), (35, 625841), (95, 230573), (133, 164695), (665, 32939)]