21131976

素因数分解:

$2^3\times 3^1\times {\mathrm{137}}^1\times {\mathrm{6427}}^1$

素因数の和:6573

約数の個数: 32

約数和(自身を含む): 53223840

約数和(自身を除く): 32091864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 137, 274, 411, 548, 822, 1096, 1644, 3288, 6427, 12854, 19281, 25708, 38562, 51416, 77124, 154248, 880499, 1760998, 2641497, 3521996, 5282994, 7043992, 10565988, 21131976]

約数ペア:

[(1, 21131976), (2, 10565988), (3, 7043992), (4, 5282994), (6, 3521996), (8, 2641497), (12, 1760998), (24, 880499), (137, 154248), (274, 77124), (411, 51416), (548, 38562), (822, 25708), (1096, 19281), (1644, 12854), (3288, 6427)]