21204752

素因数分解:

$2^4\times {\mathrm{419}}^1\times {\mathrm{3163}}^1$

素因数の和:3590

約数の個数: 20

約数和(自身を含む): 41195280

約数和(自身を除く): 19990528

約数列:

[1, 2, 4, 8, 16, 419, 838, 1676, 3163, 3352, 6326, 6704, 12652, 25304, 50608, 1325297, 2650594, 5301188, 10602376, 21204752]

約数ペア:

[(1, 21204752), (2, 10602376), (4, 5301188), (8, 2650594), (16, 1325297), (419, 50608), (838, 25304), (1676, 12652), (3163, 6704), (3352, 6326)]