21894306

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 52370688

約数和(自身を除く): 30476382

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 73, 74, 111, 146, 193, 219, 222, 259, 386, 438, 511, 518, 579, 777, 1022, 1158, 1351, 1533, 1554, 2701, 2702, 3066, 4053, 5402, 7141, 8103, 8106, 14089, 14282, 16206, 18907, 21423, 28178, 37814, 42267, 42846, 49987, 56721, 84534, 98623, 99974, 113442, 149961, 197246, 295869, 299922, 521293, 591738, 1042586, 1563879, 3127758, 3649051, 7298102, 10947153, 21894306]

約数ペア:

[(1, 21894306), (2, 10947153), (3, 7298102), (6, 3649051), (7, 3127758), (14, 1563879), (21, 1042586), (37, 591738), (42, 521293), (73, 299922), (74, 295869), (111, 197246), (146, 149961), (193, 113442), (219, 99974), (222, 98623), (259, 84534), (386, 56721), (438, 49987), (511, 42846), (518, 42267), (579, 37814), (777, 28178), (1022, 21423), (1158, 18907), (1351, 16206), (1533, 14282), (1554, 14089), (2701, 8106), (2702, 8103), (3066, 7141), (4053, 5402)]