21563808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{32089}}^1$

素因数の和:32109

約数の個数: 48

約数和(自身を含む): 64693440

約数和(自身を除く): 43129632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 32089, 64178, 96267, 128356, 192534, 224623, 256712, 385068, 449246, 513424, 673869, 770136, 898492, 1026848, 1347738, 1540272, 1796984, 2695476, 3080544, 3593968, 5390952, 7187936, 10781904, 21563808]

約数ペア:

[(1, 21563808), (2, 10781904), (3, 7187936), (4, 5390952), (6, 3593968), (7, 3080544), (8, 2695476), (12, 1796984), (14, 1540272), (16, 1347738), (21, 1026848), (24, 898492), (28, 770136), (32, 673869), (42, 513424), (48, 449246), (56, 385068), (84, 256712), (96, 224623), (112, 192534), (168, 128356), (224, 96267), (336, 64178), (672, 32089)]