21777546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 29924214

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 71, 109, 134, 142, 201, 213, 218, 327, 402, 426, 469, 497, 654, 763, 938, 994, 1407, 1491, 1526, 2289, 2814, 2982, 4578, 4757, 7303, 7739, 9514, 14271, 14606, 15478, 21909, 23217, 28542, 33299, 43818, 46434, 51121, 54173, 66598, 99897, 102242, 108346, 153363, 162519, 199794, 306726, 325038, 518513, 1037026, 1555539, 3111078, 3629591, 7259182, 10888773, 21777546]

約数ペア:

[(1, 21777546), (2, 10888773), (3, 7259182), (6, 3629591), (7, 3111078), (14, 1555539), (21, 1037026), (42, 518513), (67, 325038), (71, 306726), (109, 199794), (134, 162519), (142, 153363), (201, 108346), (213, 102242), (218, 99897), (327, 66598), (402, 54173), (426, 51121), (469, 46434), (497, 43818), (654, 33299), (763, 28542), (938, 23217), (994, 21909), (1407, 15478), (1491, 14606), (1526, 14271), (2289, 9514), (2814, 7739), (2982, 7303), (4578, 4757)]