21940604

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3049}}^1$

素因数の和:3317

約数の個数: 24

約数和(自身を含む): 44066400

約数和(自身を除く): 22125796

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3049, 3598, 6098, 7196, 12196, 21343, 42686, 85372, 783593, 1567186, 3134372, 5485151, 10970302, 21940604]

約数ペア:

[(1, 21940604), (2, 10970302), (4, 5485151), (7, 3134372), (14, 1567186), (28, 783593), (257, 85372), (514, 42686), (1028, 21343), (1799, 12196), (3049, 7196), (3598, 6098)]