21631995

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2081}}^1$

素因数の和:2113

約数の個数: 64

約数和(自身を含む): 47969280

約数和(自身を除く): 26337285

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, 2081, 3465, 6243, 10395, 10405, 14567, 18729, 22891, 31215, 43701, 56187, 68673, 72835, 93645, 114455, 131103, 160237, 206019, 218505, 280935, 343365, 393309, 480711, 618057, 655515, 801185, 1030095, 1442133, 1966545, 2403555, 3090285, 4326399, 7210665, 21631995]

約数ペア:

[(1, 21631995), (3, 7210665), (5, 4326399), (7, 3090285), (9, 2403555), (11, 1966545), (15, 1442133), (21, 1030095), (27, 801185), (33, 655515), (35, 618057), (45, 480711), (55, 393309), (63, 343365), (77, 280935), (99, 218505), (105, 206019), (135, 160237), (165, 131103), (189, 114455), (231, 93645), (297, 72835), (315, 68673), (385, 56187), (495, 43701), (693, 31215), (945, 22891), (1155, 18729), (1485, 14567), (2079, 10405), (2081, 10395), (3465, 6243)]