21077608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 19746392

約数列:

[1, 2, 4, 8, 41, 82, 164, 179, 328, 358, 359, 716, 718, 1432, 1436, 2872, 7339, 14678, 14719, 29356, 29438, 58712, 58876, 64261, 117752, 128522, 257044, 514088, 2634701, 5269402, 10538804, 21077608]

約数ペア:

[(1, 21077608), (2, 10538804), (4, 5269402), (8, 2634701), (41, 514088), (82, 257044), (164, 128522), (179, 117752), (328, 64261), (358, 58876), (359, 58712), (716, 29438), (718, 29356), (1432, 14719), (1436, 14678), (2872, 7339)]