21077392

素因数分解:

$2^4\times 7^1\times {\mathrm{307}}^1\times {\mathrm{613}}^1$

素因数の和:935

約数の個数: 40

約数和(自身を含む): 46899776

約数和(自身を除く): 25822384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 307, 613, 614, 1226, 1228, 2149, 2452, 2456, 4291, 4298, 4904, 4912, 8582, 8596, 9808, 17164, 17192, 34328, 34384, 68656, 188191, 376382, 752764, 1317337, 1505528, 2634674, 3011056, 5269348, 10538696, 21077392]

約数ペア:

[(1, 21077392), (2, 10538696), (4, 5269348), (7, 3011056), (8, 2634674), (14, 1505528), (16, 1317337), (28, 752764), (56, 376382), (112, 188191), (307, 68656), (613, 34384), (614, 34328), (1226, 17192), (1228, 17164), (2149, 9808), (2452, 8596), (2456, 8582), (4291, 4912), (4298, 4904)]