21601888

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1$

素因数の和:836

約数の個数: 72

約数和(自身を含む): 53491536

約数和(自身を除く): 31889648

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 121, 154, 176, 224, 242, 308, 352, 484, 616, 797, 847, 968, 1232, 1594, 1694, 1936, 2464, 3188, 3388, 3872, 5579, 6376, 6776, 8767, 11158, 12752, 13552, 17534, 22316, 25504, 27104, 35068, 44632, 61369, 70136, 89264, 96437, 122738, 140272, 178528, 192874, 245476, 280544, 385748, 490952, 675059, 771496, 981904, 1350118, 1542992, 1963808, 2700236, 3085984, 5400472, 10800944, 21601888]

約数ペア:

[(1, 21601888), (2, 10800944), (4, 5400472), (7, 3085984), (8, 2700236), (11, 1963808), (14, 1542992), (16, 1350118), (22, 981904), (28, 771496), (32, 675059), (44, 490952), (56, 385748), (77, 280544), (88, 245476), (112, 192874), (121, 178528), (154, 140272), (176, 122738), (224, 96437), (242, 89264), (308, 70136), (352, 61369), (484, 44632), (616, 35068), (797, 27104), (847, 25504), (968, 22316), (1232, 17534), (1594, 13552), (1694, 12752), (1936, 11158), (2464, 8767), (3188, 6776), (3388, 6376), (3872, 5579)]