21803488

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 53222400

約数和(自身を除く): 31418912

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 76, 94, 109, 112, 133, 152, 188, 218, 224, 266, 304, 329, 376, 436, 532, 608, 658, 752, 763, 872, 893, 1064, 1316, 1504, 1526, 1744, 1786, 2071, 2128, 2632, 3052, 3488, 3572, 4142, 4256, 5123, 5264, 6104, 6251, 7144, 8284, 10246, 10528, 12208, 12502, 14288, 14497, 16568, 20492, 24416, 25004, 28576, 28994, 33136, 35861, 40984, 50008, 57988, 66272, 71722, 81968, 97337, 100016, 115976, 143444, 163936, 194674, 200032, 231952, 286888, 389348, 463904, 573776, 681359, 778696, 1147552, 1362718, 1557392, 2725436, 3114784, 5450872, 10901744, 21803488]

約数ペア:

[(1, 21803488), (2, 10901744), (4, 5450872), (7, 3114784), (8, 2725436), (14, 1557392), (16, 1362718), (19, 1147552), (28, 778696), (32, 681359), (38, 573776), (47, 463904), (56, 389348), (76, 286888), (94, 231952), (109, 200032), (112, 194674), (133, 163936), (152, 143444), (188, 115976), (218, 100016), (224, 97337), (266, 81968), (304, 71722), (329, 66272), (376, 57988), (436, 50008), (532, 40984), (608, 35861), (658, 33136), (752, 28994), (763, 28576), (872, 25004), (893, 24416), (1064, 20492), (1316, 16568), (1504, 14497), (1526, 14288), (1744, 12502), (1786, 12208), (2071, 10528), (2128, 10246), (2632, 8284), (3052, 7144), (3488, 6251), (3572, 6104), (4142, 5264), (4256, 5123)]