21597044

素因数分解:

$2^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 44241120

約数和(自身を除く): 22644076

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 251, 439, 502, 878, 1004, 1756, 1757, 3073, 3514, 6146, 7028, 12292, 12299, 21511, 24598, 43022, 49196, 86044, 110189, 220378, 440756, 771323, 1542646, 3085292, 5399261, 10798522, 21597044]

約数ペア:

[(1, 21597044), (2, 10798522), (4, 5399261), (7, 3085292), (14, 1542646), (28, 771323), (49, 440756), (98, 220378), (196, 110189), (251, 86044), (439, 49196), (502, 43022), (878, 24598), (1004, 21511), (1756, 12299), (1757, 12292), (3073, 7028), (3514, 6146)]