21446768

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3613}}^1$

素因数の和:3681

約数の個数: 40

約数和(自身を含む): 48398688

約数和(自身を除く): 26951920

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 3613, 5936, 7226, 14452, 25291, 28904, 50582, 57808, 101164, 191489, 202328, 382978, 404656, 765956, 1340423, 1531912, 2680846, 3063824, 5361692, 10723384, 21446768]

約数ペア:

[(1, 21446768), (2, 10723384), (4, 5361692), (7, 3063824), (8, 2680846), (14, 1531912), (16, 1340423), (28, 765956), (53, 404656), (56, 382978), (106, 202328), (112, 191489), (212, 101164), (371, 57808), (424, 50582), (742, 28904), (848, 25291), (1484, 14452), (2968, 7226), (3613, 5936)]