21710332

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{431}}^1$

素因数の和:706

約数の個数: 36

約数和(自身を含む): 44470944

約数和(自身を除く): 22760612

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 431, 514, 862, 1028, 1724, 1799, 3017, 3598, 6034, 7196, 12068, 12593, 21119, 25186, 42238, 50372, 84476, 110767, 221534, 443068, 775369, 1550738, 3101476, 5427583, 10855166, 21710332]

約数ペア:

[(1, 21710332), (2, 10855166), (4, 5427583), (7, 3101476), (14, 1550738), (28, 775369), (49, 443068), (98, 221534), (196, 110767), (257, 84476), (431, 50372), (514, 42238), (862, 25186), (1028, 21119), (1724, 12593), (1799, 12068), (3017, 7196), (3598, 6034)]