21400134

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 51480576

約数和(自身を除く): 30080442

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 259, 282, 293, 329, 518, 586, 658, 777, 879, 987, 1554, 1739, 1758, 1974, 2051, 3478, 4102, 5217, 6153, 10434, 10841, 12173, 12306, 13771, 21682, 24346, 27542, 32523, 36519, 41313, 65046, 73038, 75887, 82626, 96397, 151774, 192794, 227661, 289191, 455322, 509527, 578382, 1019054, 1528581, 3057162, 3566689, 7133378, 10700067, 21400134]

約数ペア:

[(1, 21400134), (2, 10700067), (3, 7133378), (6, 3566689), (7, 3057162), (14, 1528581), (21, 1019054), (37, 578382), (42, 509527), (47, 455322), (74, 289191), (94, 227661), (111, 192794), (141, 151774), (222, 96397), (259, 82626), (282, 75887), (293, 73038), (329, 65046), (518, 41313), (586, 36519), (658, 32523), (777, 27542), (879, 24346), (987, 21682), (1554, 13771), (1739, 12306), (1758, 12173), (1974, 10841), (2051, 10434), (3478, 6153), (4102, 5217)]