21734163

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 36481536

約数和(自身を除く): 14747373

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 173, 243, 297, 423, 517, 519, 891, 1269, 1551, 1557, 1903, 2673, 3807, 4653, 4671, 5709, 8131, 11421, 13959, 14013, 17127, 24393, 41877, 42039, 51381, 73179, 89441, 125631, 154143, 219537, 268323, 462429, 658611, 804969, 1975833, 2414907, 7244721, 21734163]

約数ペア:

[(1, 21734163), (3, 7244721), (9, 2414907), (11, 1975833), (27, 804969), (33, 658611), (47, 462429), (81, 268323), (99, 219537), (141, 154143), (173, 125631), (243, 89441), (297, 73179), (423, 51381), (517, 42039), (519, 41877), (891, 24393), (1269, 17127), (1551, 14013), (1557, 13959), (1903, 11421), (2673, 8131), (3807, 5709), (4653, 4671)]