21591428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{10949}}^1$

素因数の和:10999

約数の個数: 24

約数和(自身を含む): 41391000

約数和(自身を除く): 19799572

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 493, 986, 1972, 10949, 21898, 43796, 186133, 317521, 372266, 635042, 744532, 1270084, 5397857, 10795714, 21591428]

約数ペア:

[(1, 21591428), (2, 10795714), (4, 5397857), (17, 1270084), (29, 744532), (34, 635042), (58, 372266), (68, 317521), (116, 186133), (493, 43796), (986, 21898), (1972, 10949)]