21943845

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2111}}^1$

素因数の和:2143

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 26716635

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 2111, 3465, 6333, 10395, 10555, 14777, 18999, 23221, 31665, 44331, 56997, 69663, 73885, 94995, 116105, 132993, 162547, 208989, 221655, 284985, 348315, 398979, 487641, 626967, 664965, 812735, 1044945, 1462923, 1994895, 2438205, 3134835, 4388769, 7314615, 21943845]

約数ペア:

[(1, 21943845), (3, 7314615), (5, 4388769), (7, 3134835), (9, 2438205), (11, 1994895), (15, 1462923), (21, 1044945), (27, 812735), (33, 664965), (35, 626967), (45, 487641), (55, 398979), (63, 348315), (77, 284985), (99, 221655), (105, 208989), (135, 162547), (165, 132993), (189, 116105), (231, 94995), (297, 73885), (315, 69663), (385, 56997), (495, 44331), (693, 31665), (945, 23221), (1155, 18999), (1485, 14777), (2079, 10555), (2111, 10395), (3465, 6333)]