21661776

素因数分解:

$2^4\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1281

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 42084144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1223, 1476, 1968, 2214, 2446, 2952, 3669, 4428, 4892, 5904, 7338, 8856, 9784, 11007, 14676, 17712, 19568, 22014, 29352, 33021, 44028, 50143, 58704, 66042, 88056, 100286, 132084, 150429, 176112, 200572, 264168, 300858, 401144, 451287, 528336, 601716, 802288, 902574, 1203432, 1353861, 1805148, 2406864, 2707722, 3610296, 5415444, 7220592, 10830888, 21661776]

約数ペア:

[(1, 21661776), (2, 10830888), (3, 7220592), (4, 5415444), (6, 3610296), (8, 2707722), (9, 2406864), (12, 1805148), (16, 1353861), (18, 1203432), (24, 902574), (27, 802288), (36, 601716), (41, 528336), (48, 451287), (54, 401144), (72, 300858), (82, 264168), (108, 200572), (123, 176112), (144, 150429), (164, 132084), (216, 100286), (246, 88056), (328, 66042), (369, 58704), (432, 50143), (492, 44028), (656, 33021), (738, 29352), (984, 22014), (1107, 19568), (1223, 17712), (1476, 14676), (1968, 11007), (2214, 9784), (2446, 8856), (2952, 7338), (3669, 5904), (4428, 4892)]