21143948

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12799}}^1$

素因数の和:12869

約数の個数: 24

約数和(自身を含む): 43008000

約数和(自身を除く): 21864052

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12799, 25598, 51196, 89593, 179186, 358372, 755141, 1510282, 3020564, 5285987, 10571974, 21143948]

約数ペア:

[(1, 21143948), (2, 10571974), (4, 5285987), (7, 3020564), (14, 1510282), (28, 755141), (59, 358372), (118, 179186), (236, 89593), (413, 51196), (826, 25598), (1652, 12799)]