21857904

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2663}}^1$

素因数の和:2699

約数の個数: 80

約数和(自身を含む): 66067200

約数和(自身を除く): 44209296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2663, 2736, 4104, 5326, 7989, 8208, 10652, 15978, 21304, 23967, 31956, 42608, 47934, 50597, 63912, 71901, 95868, 101194, 127824, 143802, 151791, 191736, 202388, 287604, 303582, 383472, 404776, 455373, 575208, 607164, 809552, 910746, 1150416, 1214328, 1366119, 1821492, 2428656, 2732238, 3642984, 5464476, 7285968, 10928952, 21857904]

約数ペア:

[(1, 21857904), (2, 10928952), (3, 7285968), (4, 5464476), (6, 3642984), (8, 2732238), (9, 2428656), (12, 1821492), (16, 1366119), (18, 1214328), (19, 1150416), (24, 910746), (27, 809552), (36, 607164), (38, 575208), (48, 455373), (54, 404776), (57, 383472), (72, 303582), (76, 287604), (108, 202388), (114, 191736), (144, 151791), (152, 143802), (171, 127824), (216, 101194), (228, 95868), (304, 71901), (342, 63912), (432, 50597), (456, 47934), (513, 42608), (684, 31956), (912, 23967), (1026, 21304), (1368, 15978), (2052, 10652), (2663, 8208), (2736, 7989), (4104, 5326)]