21250456

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{50119}}^1$

素因数の和:50178

約数の個数: 16

約数和(自身を含む): 40597200

約数和(自身を除く): 19346744

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 50119, 100238, 200476, 400952, 2656307, 5312614, 10625228, 21250456]

約数ペア:

[(1, 21250456), (2, 10625228), (4, 5312614), (8, 2656307), (53, 400952), (106, 200476), (212, 100238), (424, 50119)]