21102512

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4903}}^1$

素因数の和:5180

約数の個数: 20

約数和(自身を含む): 41046480

約数和(自身を除く): 19943968

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4903, 9806, 19612, 39224, 78448, 1318907, 2637814, 5275628, 10551256, 21102512]

約数ペア:

[(1, 21102512), (2, 10551256), (4, 5275628), (8, 2637814), (16, 1318907), (269, 78448), (538, 39224), (1076, 19612), (2152, 9806), (4304, 4903)]