21822268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 36

約数和(自身を含む): 42679000

約数和(自身を除く): 20856732

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 499, 754, 841, 998, 1508, 1682, 1996, 3364, 6487, 10933, 12974, 14471, 21866, 25948, 28942, 43732, 57884, 188123, 376246, 419659, 752492, 839318, 1678636, 5455567, 10911134, 21822268]

約数ペア:

[(1, 21822268), (2, 10911134), (4, 5455567), (13, 1678636), (26, 839318), (29, 752492), (52, 419659), (58, 376246), (116, 188123), (377, 57884), (499, 43732), (754, 28942), (841, 25948), (998, 21866), (1508, 14471), (1682, 12974), (1996, 10933), (3364, 6487)]