21551166176

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1\times {\mathrm{983}}^1$

素因数の和:1456

約数の個数: 96

約数和(自身を含む): 45259119360

約数和(自身を除く): 23707953184

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 107, 152, 214, 304, 337, 428, 608, 674, 856, 983, 1348, 1712, 1966, 2033, 2696, 3424, 3932, 4066, 5392, 6403, 7864, 8132, 10784, 12806, 15728, 16264, 18677, 25612, 31456, 32528, 36059, 37354, 51224, 65056, 72118, 74708, 102448, 105181, 144236, 149416, 204896, 210362, 288472, 298832, 331271, 420724, 576944, 597664, 662542, 685121, 841448, 1153888, 1325084, 1370242, 1682896, 1998439, 2650168, 2740484, 3365792, 3996878, 5300336, 5480968, 6294149, 7993756, 10600672, 10961936, 12588298, 15987512, 21923872, 25176596, 31975024, 35445997, 50353192, 63950048, 70891994, 100706384, 141783988, 201412768, 283567976, 567135952, 673473943, 1134271904, 1346947886, 2693895772, 5387791544, 10775583088, 21551166176]

約数ペア:

[(1, 21551166176), (2, 10775583088), (4, 5387791544), (8, 2693895772), (16, 1346947886), (19, 1134271904), (32, 673473943), (38, 567135952), (76, 283567976), (107, 201412768), (152, 141783988), (214, 100706384), (304, 70891994), (337, 63950048), (428, 50353192), (608, 35445997), (674, 31975024), (856, 25176596), (983, 21923872), (1348, 15987512), (1712, 12588298), (1966, 10961936), (2033, 10600672), (2696, 7993756), (3424, 6294149), (3932, 5480968), (4066, 5300336), (5392, 3996878), (6403, 3365792), (7864, 2740484), (8132, 2650168), (10784, 1998439), (12806, 1682896), (15728, 1370242), (16264, 1325084), (18677, 1153888), (25612, 841448), (31456, 685121), (32528, 662542), (36059, 597664), (37354, 576944), (51224, 420724), (65056, 331271), (72118, 298832), (74708, 288472), (102448, 210362), (105181, 204896), (144236, 149416)]