21008932

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{4969}}^1$

素因数の和:5131

約数の個数: 24

約数和(自身を含む): 42304640

約数和(自身を除く): 21295708

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 4969, 9938, 19876, 34783, 69566, 139132, 750319, 1500638, 3001276, 5252233, 10504466, 21008932]

約数ペア:

[(1, 21008932), (2, 10504466), (4, 5252233), (7, 3001276), (14, 1500638), (28, 750319), (151, 139132), (302, 69566), (604, 34783), (1057, 19876), (2114, 9938), (4228, 4969)]